EXTREME HELP PLEASE I ALREADY DID THE MATH FOR A. PLEASE I NEED B. I CAN'T FIND ANY WEBSITES THAT ARE FREE TO FIND THIS EXCEPT THIS ONE
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A ganza is a percussion instrument used in samba music.

a. Find the surface area of each of the two labeled ganzas in terms of π , rounded to the nearest thousandths and as a decimal, round to the nearest whole number.
(ALREADY DID THIS!!!)
Surface area of smaller ganza = 41.125 π≈ 129 cm^{2}

Surface area of larger ganza = 149.875 π≈ 471 cm^{2}

b. The weight of the smaller ganza is 1.1 pounds. Assume that the surface area is proportional to the weight. What is the weight of the larger ganza to the nearest tenth of a pound?
(I NEED HELP ON THIS HELP)
The weight of the larger ganza is about _ pounds.