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Finding the Third Proportional to 20,682,469 and 45,467,750

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Solution

The third proportional to 20,682,469 and 45,467,750 is: 99,955,004.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,682,469 : 45,467,750 = 45,467,750 : x
  2. Step 2: Convert to fraction form
    20,682,469/45,467,750 = 45,467,750/x
  3. Step 3: Cross multiply
    20,682,469x = 45,467,750 × 45,467,750
  4. Step 4: Simplify right side
    20,682,469x = 2,067,316,290,062,500
  5. Step 5: Solve for x
    x = 2,067,316,290,062,500/20,682,469
  6. Step 6: Final answer
    x = 99,955,004.89

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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.