Find the next two terms of each geometric sequence: 20, 30, 45, ....?

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Here, a = 20 and r = 30/20 = 45/30 = 3/2 = 1.5. So, next two terms are, 45 x 1.5 = 67.5 and 67.5 x 1.5 = 101.25.
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67.5 and 101.25.
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