Q: What comes next in the series 3 6 18 72?

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Each number in the series is being multiplied by (2 + (n-1)) where n = the term in the series 3 x 2 = 6 6 x 3 = 18 18 * 4 = 72 72 x 5 = 360

360 each number is multipled by (2 + the preceding term number) 3 x 2 = 6 6 x 3 = 18 18 x 4 = 72 72 x 5 = 360

the answer is 72.:)

45

45

Related questions

3 * 2 = 6 * 3= 18 *4 =72 *5 = 360

45 54

Each number in the series is being multiplied by (2 + (n-1)) where n = the term in the series 3 x 2 = 6 6 x 3 = 18 18 * 4 = 72 72 x 5 = 360

360 each number is multipled by (2 + the preceding term number) 3 x 2 = 6 6 x 3 = 18 18 x 4 = 72 72 x 5 = 360

the answer is 72.:)

45

132

45

The next number in the series 3, 618, 72, is -1635. The relevant rule is Un = (-1161n2 + 4713n - 3546)/2 for n = 1, 2, 3, ...

If you look at the ratios between consecutive numbers, you'll notice that the first ratio is 2, followed by 3 and 4.

Possibly: 45-54

92 - 18 = 72 72 - 16 = 56 56 - 14 = 42 42 - 12 = 30 30 - 10 = 20 20 is the next number in the sequence.