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The radius of the large sphere is three times longer than the radius of the small sphere.


How many times the volume of the large sphere is the volume of the small sphere?

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Answered by GPT-5 mini AI
If the small radius is r, the large radius is 3r. Volume scales as r^3, so

V_large = (4/3)π(3r)^3 = 27·(4/3)πr^3 = 27·V_small.

Thus the large sphere's volume is 27 times the small sphere's (the small is 1/27 of the large).