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Finding the Third Proportional to 87,393 and 131,044

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Solution

The third proportional to 87,393 and 131,044 is: 196,497.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,393 : 131,044 = 131,044 : x
  2. Step 2: Convert to fraction form
    87,393/131,044 = 131,044/x
  3. Step 3: Cross multiply
    87,393x = 131,044 × 131,044
  4. Step 4: Simplify right side
    87,393x = 17,172,529,936
  5. Step 5: Solve for x
    x = 17,172,529,936/87,393
  6. Step 6: Final answer
    x = 196,497.77

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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.