 | Charles Austin Hobbs - Arithmetic - 1889 - 370 pages
...emptied by a pipe, the capacity of which is ^ greater ? COMPOUND PROPORTION. 106. An expression of equality between a compound ratio and a simple ratio, or between two compound ratios, is called a compound proportion. I. If 4 men dig a trench 84 feet long and 5 feet wide in 3 days of... | |
 | Charles Austin Hobbs - Arithmetic - 1889 - 366 pages
...emptied by a pipe, the capacity of which is f greater ? COMPOUND PROPORTION. 106. An expression of equality between a compound ratio and a simple ratio, or between two compound ratios, is called a compound proportion. I. If 4 men dig a trench 84 feet long and 5 feet wide in 3 days of... | |
 | Henry Sinclair Hall, Samuel Ratcliffe Knight - Algebra - 1891 - 606 pages
...extremes, 6 and c the means; or vice versa. 20. DEFINITION. Quantities are said to be in continued proportion when the first is to the second, as the second is to the third, as the third to the fourth; and so on. Thus a, b, c, d, are in continued proportion when If three quantities... | |
 | George Albert Wentworth - Algebra - 1891 - 544 pages
...In like manner it may be shown that 283. Continued Proportion. Numbers are said to be in continued proportion when the first is to the second as the second is to the third, and so on. Thus, a, b, c, d, are in 284. If а, Ь, с are proportionals, so that a : Ъ = b : c, then... | |
 | George Albert Wentworth - Algebra - 1891 - 380 pages
...ma+nc+pe+qg : mb-\-nd-\-pJ-\-qh=a: b. 318. Oontinued Proportion. Numbers are said to be in continued proportion when the first is to the second as the second is to the third, and so on. Thus, a, b, c, d, are in 319. If a, b, c are proportionals, so that a:b = b:c, then b is... | |
 | George Albert Wentworth - Algebra - 1891 - 380 pages
...pe+ qg : mb-\-nd-\-pf-\-qh=a : b. 318. Continued Proportion. Numbers are said to be in / continued proportion when the first is to the second as the second is to the third, and so on. Thus, a, b, c, d, are in continued proportion when - — - = -. bed f 1 298 SCHOOL ALGEBRA.... | |
 | Horatio Nelson Robinson - Arithmetic - 1892 - 428 pages
...are the first and fourth terms. The Means are the second and third terms. 385. Three numbers may be in proportion when the first is to the second as the second is to the third. Thus, the numbers 3, 9, and 27 are in proportion since 8; 9:: 9: 27, the ratio of each couplet being... | |
 | Horatio Nelson Robinson - Arithmetic - 1892 - 428 pages
...are the first and fourth terms. The Means are the second and third terms. 385. Three numbers may be in proportion when the first is to the second as the second is to the third. Thus, the numbers 3, 9, and 27 are in proportion since 3:9:: 9:27, the ratio of each couplet being... | |
 | James Morford Taylor - Algebra - 1893 - 362 pages
...corresponding ratios in (5), we obtain (6). 219. Continued Proportion. Numbers are said to be in continued proportion when the first is to the second as the second is to the third, and so on. Thus a, b, c, d are in continued proportion when a:&=6:c = c:d. If a:b = b:c = c:d, then... | |
 | George Albert Wentworth - Algebra - 1893 - 370 pages
...-\-pe-\-qg : mb- s r nd j r pf- s r qh=a : b. 318. Continued Proportion. Numbers are said to be in continued proportion when the first is to the second as the second is to the third, and so on. Thus, a, b, c, d, are in 319. If a, Ъ, с are proportionals, so that а:Ъ — Ъ:с, then... | |
| |
A compound proportion is an equality between a compound ratio and a simple ratio, or between two compound ratios. 370. Three terms are in proportion when the first is to the second as the second is to the third. The second term is 
