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Finding the Third Proportional to 39,073,486 and 57,439,505

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Solution

The third proportional to 39,073,486 and 57,439,505 is: 84,438,248.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,073,486 : 57,439,505 = 57,439,505 : x
  2. Step 2: Convert to fraction form
    39,073,486/57,439,505 = 57,439,505/x
  3. Step 3: Cross multiply
    39,073,486x = 57,439,505 × 57,439,505
  4. Step 4: Simplify right side
    39,073,486x = 3,299,296,734,645,025
  5. Step 5: Solve for x
    x = 3,299,296,734,645,025/39,073,486
  6. Step 6: Final answer
    x = 84,438,248.86

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.