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Finding the Third Proportional to 38,432 and 83,008

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Solution

The third proportional to 38,432 and 83,008 is: 179,286.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,432 : 83,008 = 83,008 : x
  2. Step 2: Convert to fraction form
    38,432/83,008 = 83,008/x
  3. Step 3: Cross multiply
    38,432x = 83,008 × 83,008
  4. Step 4: Simplify right side
    38,432x = 6,890,328,064
  5. Step 5: Solve for x
    x = 6,890,328,064/38,432
  6. Step 6: Final answer
    x = 179,286.22

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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.