We have two geometric sequences of positive real numbers:

6,a,b and a,b,1296

Solve for a

Guest Oct 23, 2022

#1**+1 **

You can combine these two, since the common ratio is the same.

6, a, b, 1296.

1296 = 6 x r^3

216 = r^3

r = 6

a = 6x6 = **36**

WhyamIdoingthis Oct 23, 2022