 | William Emerson - Mathematics - 1763 - 266 pages
...progreffion, is when a fet of quantities are in continual proportion ; or when the firft has the fame ratio to the fecond, as the fecond to the third, and as the third to the fourth, and the fourth to the fifth, &c. ii . Extreme and mean ratio, is when a quantity is fo divided, that... | |
 | Gilbert Dyer - Arithmetic - 1770 - 240 pages
...be continual or difcontinual. 72. If there be fuch Numbers that the firft hath the fame Comparifon to the fecond, as the fecond to the third, and as the third to the fourth, &c. thefe Numbers are continual Proportionals, fo i, 3, -J, 7, 9- &c. are continual Arithmetical, and 2,... | |
 | John Bonnycastle - Algebra - 1782 - 226 pages
...proportion. Aferies of quantities are fold to be in geometrical prtgrejpon, when the firft has the fame ratio to the fecond, as the fecond to the third, and as the third to the fourth, &c. Thus, 2, 4, 8, 16, 32, 64, &c. and a, ar, at*, ar* , ar*, arf, &c. are feries in geometrical progreffiox.... | |
 | John Bonnycastle - 1782 - 272 pages
...quantities are faid to be in geometrical progrejfion, when the firft has the fame ratio to the iecond, as the fecond to the third, and as the third to the fourth, &c. УТ>us, 2, 4, 8, 1 6, 32, 64, &C. and a, ar, аrг, ar3, ar*, ars, fcfr. are feries in geometrical... | |
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Aferies of quantities are fold to be in geometrical prtgrejpon, when the firft has the fame ratio to the fecond, as the fecond to the third, and as the third to the fourth, &c. 