Finding the Third Proportional to 138,229,386 and 296,972,666
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Solution
The third proportional to 138,229,386 and 296,972,666 is: 638,017,478.80
Step by Step Solution
- Step 1: Write the proportion equation
138,229,386 : 296,972,666 = 296,972,666 : x - Step 2: Convert to fraction form
138,229,386/296,972,666 = 296,972,666/x - Step 3: Cross multiply
138,229,386x = 296,972,666 × 296,972,666 - Step 4: Simplify right side
138,229,386x = 88,192,764,351,147,552 - Step 5: Solve for x
x = 88,192,764,351,147,552/138,229,386 - Step 6: Final answer
x = 638,017,478.80
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.