Finding the Third Proportional to 261,221,912 and 377,607,972
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Solution
The third proportional to 261,221,912 and 377,607,972 is: 545,849,233.80
Step by Step Solution
- Step 1: Write the proportion equation
261,221,912 : 377,607,972 = 377,607,972 : x - Step 2: Convert to fraction form
261,221,912/377,607,972 = 377,607,972/x - Step 3: Cross multiply
261,221,912x = 377,607,972 × 377,607,972 - Step 4: Simplify right side
261,221,912x = 142,587,780,517,952,784 - Step 5: Solve for x
x = 142,587,780,517,952,784/261,221,912 - Step 6: Final answer
x = 545,849,233.80
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These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.