SOLUTION: The sequence 48,a,b,c,d, 150000,.... Is a geometric sequence. Find c.

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Question 929372: The sequence 48,a,b,c,d, 150000,.... Is a geometric sequence. Find c.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
a%5Bn%5D+=+a%5B1%5D%2Ar%5E%28n-1%29
a%5B6%5D+=48%2Ar%5E%285%29+=+150000
r^5 = 3125
r = 5
........
c = a%5B4%5D+=48%2A%285%29%5E%283%29 = 6000