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Finding the Third Proportional to 39,353,370 and 86,454,552

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Solution

The third proportional to 39,353,370 and 86,454,552 is: 189,930,101.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,353,370 : 86,454,552 = 86,454,552 : x
  2. Step 2: Convert to fraction form
    39,353,370/86,454,552 = 86,454,552/x
  3. Step 3: Cross multiply
    39,353,370x = 86,454,552 × 86,454,552
  4. Step 4: Simplify right side
    39,353,370x = 7,474,389,561,520,704
  5. Step 5: Solve for x
    x = 7,474,389,561,520,704/39,353,370
  6. Step 6: Final answer
    x = 189,930,101.58

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.