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Finding the Third Proportional to 73,139 and 157,375

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Solution

The third proportional to 73,139 and 157,375 is: 338,627.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,139 : 157,375 = 157,375 : x
  2. Step 2: Convert to fraction form
    73,139/157,375 = 157,375/x
  3. Step 3: Cross multiply
    73,139x = 157,375 × 157,375
  4. Step 4: Simplify right side
    73,139x = 24,766,890,625
  5. Step 5: Solve for x
    x = 24,766,890,625/73,139
  6. Step 6: Final answer
    x = 338,627.69

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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.