Each number is one sixth of the number preceding it.
The "common ratio" of a geometric series is any of the numbers, divided by the previous number.If in all cases you get the same ratio (the same result of a division), then you have a common ratio. If the division gives you different numbers, then there is no common ratio.
6 × 108 = 648.
648 ÷ 6 = 108
648
0.1389
108, 216, 324, 432, 540, 648 . . .
108 x (2+3) = 540 108 x 2 x 3 = 648
108, 216, 324, 432, 540, 648, 756, 864, 972, 1080, 1188, . . .
108, 216, 324, 432, 540, 648, 756, 864, 972, 1080.
The factors of 648 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, and 648.
108, 216, 324, 432, 540, 648, 756, 864, 972, 1080, 1188, 1296
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648 648, 1296, 1944 and so on.