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Finding the Third Proportional to 61,418 and 132,532

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Solution

The third proportional to 61,418 and 132,532 is: 285,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,418 : 132,532 = 132,532 : x
  2. Step 2: Convert to fraction form
    61,418/132,532 = 132,532/x
  3. Step 3: Cross multiply
    61,418x = 132,532 × 132,532
  4. Step 4: Simplify right side
    61,418x = 17,564,731,024
  5. Step 5: Solve for x
    x = 17,564,731,024/61,418
  6. Step 6: Final answer
    x = 285,986.70

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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.