 | Samuel Mecutchen, George Mornton Sayre - 1877 - 200 pàgines
...proportion may be read, 4 is to 8 as 12 is to 24, or, the ratio of 4 to 8 is equal to the ratio of 12 to 24. The first and last terms of a proportion are called the Extremes, and the second and third terms the Means. In any proportion the product of the means is equal to the product... | |
 | Shelton Palmer Sanford - 1879 - 348 pàgines
...first and third terms, therefore, are antecedent's, and the second and fourth are consequents. 243. The first and last terms of a proportion are called the extremes, and the second and third terms the means. Thus, in the proportion a : b : : c : d, a and d are the extremes,... | |
 | Joseph Ray - 1880 - 420 pàgines
...two consequents, the 1st and 3d terms being the antecedents, and the 2d and 4th the consequents. 5. The first and last terms of a proportion are called the extremes; the middle terms, the means. All the terms are called proportionals, and the last term is said to be... | |
 | Thomas Liddell Ainsley - 1880 - 866 pàgines
...proportion may be written f- = Y) au( l is read—6 divided by 2 is equal to i 5 divided by 5. 190. The first and last terms of a proportion are called the Extremes, the two middle terms the Mean». While the two terms of a ratio, if they be not abstract numbers, must... | |
 | James Bates Thomson, Elihu Thayer Quimby - 1880 - 360 pàgines
...division. 360. The First Term of a ratio is called the Antecedent ; the Second Term the Consequent. 361. The First and Last Terms of a proportion are called the Extremes; the Second and Third the Means. 362. When the same quantity is used for both means, it is called a... | |
 | George Albert Wentworth, Thomas Hill - 1881 - 446 pàgines
...15 : 9 (read 5 to 3 = 15 to 9), may be written 5 : 3 : : 15 : 9 (read 5 is to 3 as 15 is to 9). 334. The first and last terms of a proportion are called the extremes, and the two middle terms are called the means. 335. Test of a proportion. When four numbers are proportionals,... | |
 | George Albert Wentworth, Thomas Hill - 1882 - 376 pàgines
...15 : 9 (read 5 to 3 = 15 to 9), may be written 5 : 3 : : 15 : 9 (read 5 is to 3 as 15 is to 9). 334. The first and last terms of a proportion are called the extremes, and the two middle terms are called the means. 335. Test of a proportion. When four numbers are proportionals,... | |
 | Edwin Pliny Seaver, George Augustus Walton - 1881 - 304 pàgines
...proportion, then, may be written ? Compare the ratio 3:2 with the ratio 15:10. Write the proportion. 189. The first and last terms of a proportion are called the extremes, and the second and third are called the means. What are the extremes and what the means in the proportion A:B=C:Dt... | |
 | George Albert Wentworth - 1886 - 392 pàgines
...or 6 : 3 : : 18 : 9, means, and is read, the ratio of 6 to 3 is equal to the ratio of 18 to 9. 253. The first and last terms of a proportion are called the extremes, and the two middle terms are called the means. 254. Test of a proportion. When four numbers are proportionals,... | |
 | George Albert Wentworth - 1888 - 392 pàgines
...15 : 9 (read 5 to 3 = 15 to 9), may be written 5 : 3 : : 15 : 9 (read 5 is to 3 as 15 is to 9). 334. The first and last terms of a proportion are called the extremes, and the two middle terms are called the means. 335. Test of a proportion. When four numbers are proportionals,... | |
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The first and last terms of a proportion are called the extremes, and the two middle terms are called the means. 
