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Finding the Third Proportional to 61,357 and 132,379

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Solution

The third proportional to 61,357 and 132,379 is: 285,610.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,357 : 132,379 = 132,379 : x
  2. Step 2: Convert to fraction form
    61,357/132,379 = 132,379/x
  3. Step 3: Cross multiply
    61,357x = 132,379 × 132,379
  4. Step 4: Simplify right side
    61,357x = 17,524,199,641
  5. Step 5: Solve for x
    x = 17,524,199,641/61,357
  6. Step 6: Final answer
    x = 285,610.44

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.