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Finding the Third Proportional to 87,892.88 and 122,064.75

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Solution

The third proportional to 87,892.88 and 122,064.75 is: 169,522.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,892.88 : 122,064.75 = 122,064.75 : x
  2. Step 2: Convert to fraction form
    87,892.88/122,064.75 = 122,064.75/x
  3. Step 3: Cross multiply
    87,892.88x = 122,064.75 × 122,064.75
  4. Step 4: Simplify right side
    87,892.88x = 14,899,803,192.56
  5. Step 5: Solve for x
    x = 14,899,803,192.56/87,892.88
  6. Step 6: Final answer
    x = 169,522.31

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.