Find the indicated number of geometric means between the pair of numbers.
16 and 81 [insert 3 members: 16, _, _, _, 81]

Correct answer:

g2 =  24
g3 =  36
g4 =  54

Step-by-step explanation:

g1=16 g5=81 n=5  g2=q g1 g3=q2 g1 g4=q3 g1 g5=q4 g1  q=4g5/g1=481/16=23=121=1.5  g2=q g1=1.5 16=24
g3=q g2=1.5 24=36
g4=q g3=1.5 36=54

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