Finding the Third Proportional to 80,748,791 and 177,129,438
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Solution
The third proportional to 80,748,791 and 177,129,438 is: 388,548,700.45
Step by Step Solution
- Step 1: Write the proportion equation
80,748,791 : 177,129,438 = 177,129,438 : x - Step 2: Convert to fraction form
80,748,791/177,129,438 = 177,129,438/x - Step 3: Cross multiply
80,748,791x = 177,129,438 × 177,129,438 - Step 4: Simplify right side
80,748,791x = 31,374,837,806,195,844 - Step 5: Solve for x
x = 31,374,837,806,195,844/80,748,791 - Step 6: Final answer
x = 388,548,700.45
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.