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Finding the Third Proportional to 38,539,511 and 55,394,805

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Solution

The third proportional to 38,539,511 and 55,394,805 is: 79,621,778.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,539,511 : 55,394,805 = 55,394,805 : x
  2. Step 2: Convert to fraction form
    38,539,511/55,394,805 = 55,394,805/x
  3. Step 3: Cross multiply
    38,539,511x = 55,394,805 × 55,394,805
  4. Step 4: Simplify right side
    38,539,511x = 3,068,584,420,988,025
  5. Step 5: Solve for x
    x = 3,068,584,420,988,025/38,539,511
  6. Step 6: Final answer
    x = 79,621,778.83

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.