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Finding the Third Proportional to 87,477 and 131,193

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Solution

The third proportional to 87,477 and 131,193 is: 196,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,477 : 131,193 = 131,193 : x
  2. Step 2: Convert to fraction form
    87,477/131,193 = 131,193/x
  3. Step 3: Cross multiply
    87,477x = 131,193 × 131,193
  4. Step 4: Simplify right side
    87,477x = 17,211,603,249
  5. Step 5: Solve for x
    x = 17,211,603,249/87,477
  6. Step 6: Final answer
    x = 196,755.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.