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Finding the Third Proportional to 61,081 and 132,607

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Solution

The third proportional to 61,081 and 132,607 is: 287,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,081 : 132,607 = 132,607 : x
  2. Step 2: Convert to fraction form
    61,081/132,607 = 132,607/x
  3. Step 3: Cross multiply
    61,081x = 132,607 × 132,607
  4. Step 4: Simplify right side
    61,081x = 17,584,616,449
  5. Step 5: Solve for x
    x = 17,584,616,449/61,081
  6. Step 6: Final answer
    x = 287,890.12

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.