Finding the Third Proportional to 120,728,164 and 261,872,498
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Solution
The third proportional to 120,728,164 and 261,872,498 is: 568,029,885.79
Step by Step Solution
- Step 1: Write the proportion equation
120,728,164 : 261,872,498 = 261,872,498 : x - Step 2: Convert to fraction form
120,728,164/261,872,498 = 261,872,498/x - Step 3: Cross multiply
120,728,164x = 261,872,498 × 261,872,498 - Step 4: Simplify right side
120,728,164x = 68,577,205,208,760,000 - Step 5: Solve for x
x = 68,577,205,208,760,000/120,728,164 - Step 6: Final answer
x = 568,029,885.79
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.