# geometric sequence

• July 18th 2007, 09:39 PM
BlueStar
geometric sequence
Find the missing terms in the geometric sequence 5, __, __, 20.48.

I can't seem to come up with the right missing terms. The distance between the terms is never consistent.
• July 18th 2007, 10:53 PM
malaygoel
Quote:

Originally Posted by BlueStar
Find the missing terms in the geometric sequence 5, __, __, 20.48.

I can't seem to come up with the right missing terms. The distance between the terms is never consistent.

if it is a geomatric sequence then the missing terms are $5r,5r^2$
where $r=\sqrt[3]{\frac{20.48}{5}}$

Keep Smiling
Malay