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Finding the Third Proportional to 60,331 and 132,509

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Solution

The third proportional to 60,331 and 132,509 is: 291,038.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,331 : 132,509 = 132,509 : x
  2. Step 2: Convert to fraction form
    60,331/132,509 = 132,509/x
  3. Step 3: Cross multiply
    60,331x = 132,509 × 132,509
  4. Step 4: Simplify right side
    60,331x = 17,558,635,081
  5. Step 5: Solve for x
    x = 17,558,635,081/60,331
  6. Step 6: Final answer
    x = 291,038.36

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.