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Finding the Third Proportional to 87,949.13 and 136,267.88

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Solution

The third proportional to 87,949.13 and 136,267.88 is: 211,132.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,949.13 : 136,267.88 = 136,267.88 : x
  2. Step 2: Convert to fraction form
    87,949.13/136,267.88 = 136,267.88/x
  3. Step 3: Cross multiply
    87,949.13x = 136,267.88 × 136,267.88
  4. Step 4: Simplify right side
    87,949.13x = 18,568,933,757.02
  5. Step 5: Solve for x
    x = 18,568,933,757.02/87,949.13
  6. Step 6: Final answer
    x = 211,132.67

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.