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Finding the Third Proportional to 38,856 and 83,375

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Solution

The third proportional to 38,856 and 83,375 is: 178,901.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,856 : 83,375 = 83,375 : x
  2. Step 2: Convert to fraction form
    38,856/83,375 = 83,375/x
  3. Step 3: Cross multiply
    38,856x = 83,375 × 83,375
  4. Step 4: Simplify right side
    38,856x = 6,951,390,625
  5. Step 5: Solve for x
    x = 6,951,390,625/38,856
  6. Step 6: Final answer
    x = 178,901.34

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.