Finding the Third Proportional to 415,688,442 and 581,156,939
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Solution
The third proportional to 415,688,442 and 581,156,939 is: 812,491,649.09
Step by Step Solution
- Step 1: Write the proportion equation
415,688,442 : 581,156,939 = 581,156,939 : x - Step 2: Convert to fraction form
415,688,442/581,156,939 = 581,156,939/x - Step 3: Cross multiply
415,688,442x = 581,156,939 × 581,156,939 - Step 4: Simplify right side
415,688,442x = 337,743,387,747,849,728 - Step 5: Solve for x
x = 337,743,387,747,849,728/415,688,442 - Step 6: Final answer
x = 812,491,649.09
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.