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Finding the Third Proportional to 20,193,531 and 31,327,428

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Solution

The third proportional to 20,193,531 and 31,327,428 is: 48,600,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193,531 : 31,327,428 = 31,327,428 : x
  2. Step 2: Convert to fraction form
    20,193,531/31,327,428 = 31,327,428/x
  3. Step 3: Cross multiply
    20,193,531x = 31,327,428 × 31,327,428
  4. Step 4: Simplify right side
    20,193,531x = 981,407,745,095,184
  5. Step 5: Solve for x
    x = 981,407,745,095,184/20,193,531
  6. Step 6: Final answer
    x = 48,600,105.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.