I think your suppose to multiply it by 3 because 2*3is 6 and 6 times 3 is 18 then 18 times 3 is 54*3 is 162 and 162*3 is 486
2,6,18
r = 6/2 = 3
18 *3 = 54
54*3 = 162
162*3=486
Answer: 54,162,486
6.0m questions
7.9m answers