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Finding the Third Proportional to 58,493 and 87,349

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Solution

The third proportional to 58,493 and 87,349 is: 130,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,493 : 87,349 = 87,349 : x
  2. Step 2: Convert to fraction form
    58,493/87,349 = 87,349/x
  3. Step 3: Cross multiply
    58,493x = 87,349 × 87,349
  4. Step 4: Simplify right side
    58,493x = 7,629,847,801
  5. Step 5: Solve for x
    x = 7,629,847,801/58,493
  6. Step 6: Final answer
    x = 130,440.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.