Finding the Third Proportional to 81,639,831 and 176,266,800
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Solution
The third proportional to 81,639,831 and 176,266,800 is: 380,573,849.82
Step by Step Solution
- Step 1: Write the proportion equation
81,639,831 : 176,266,800 = 176,266,800 : x - Step 2: Convert to fraction form
81,639,831/176,266,800 = 176,266,800/x - Step 3: Cross multiply
81,639,831x = 176,266,800 × 176,266,800 - Step 4: Simplify right side
81,639,831x = 31,069,984,782,240,000 - Step 5: Solve for x
x = 31,069,984,782,240,000/81,639,831 - Step 6: Final answer
x = 380,573,849.82
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.