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Finding the Third Proportional to 38,337,420 and 82,520,691

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Solution

The third proportional to 38,337,420 and 82,520,691 is: 177,624,483.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,337,420 : 82,520,691 = 82,520,691 : x
  2. Step 2: Convert to fraction form
    38,337,420/82,520,691 = 82,520,691/x
  3. Step 3: Cross multiply
    38,337,420x = 82,520,691 × 82,520,691
  4. Step 4: Simplify right side
    38,337,420x = 6,809,664,443,117,481
  5. Step 5: Solve for x
    x = 6,809,664,443,117,481/38,337,420
  6. Step 6: Final answer
    x = 177,624,483.94

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.