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Finding the Third Proportional to 39,344 and 86,464

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Solution

The third proportional to 39,344 and 86,464 is: 190,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,344 : 86,464 = 86,464 : x
  2. Step 2: Convert to fraction form
    39,344/86,464 = 86,464/x
  3. Step 3: Cross multiply
    39,344x = 86,464 × 86,464
  4. Step 4: Simplify right side
    39,344x = 7,476,023,296
  5. Step 5: Solve for x
    x = 7,476,023,296/39,344
  6. Step 6: Final answer
    x = 190,016.86

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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.