Finding the Third Proportional to 391,407,753 and 547,503,966
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Solution
The third proportional to 391,407,753 and 547,503,966 is: 765,852,465.84
Step by Step Solution
- Step 1: Write the proportion equation
391,407,753 : 547,503,966 = 547,503,966 : x - Step 2: Convert to fraction form
391,407,753/547,503,966 = 547,503,966/x - Step 3: Cross multiply
391,407,753x = 547,503,966 × 547,503,966 - Step 4: Simplify right side
391,407,753x = 299,760,592,785,729,152 - Step 5: Solve for x
x = 299,760,592,785,729,152/391,407,753 - Step 6: Final answer
x = 765,852,465.84
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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.