SOLUTION: The ratio of the volume of two spheres is 216:125. What is the ratio of their diameters?

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Question 39617: The ratio of the volume of two spheres is 216:125. What is the ratio of their diameters?
Answer by venugopalramana(3286) About Me  (Show Source):
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The ratio of the volume of two spheres is 216:125. What is the ratio of their diameters?
VOLUME =(4/3)PI*R^3...HENCE VOLUME IS PROPORTIONAL TO CUBE OF RADIUS AND HENCE DIAMETER.
SO IF
V1/V2=216/125...THEN
D1/D2=CUBE ROOT OF (216/125)=6/5