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Finding the Third Proportional to 92,330 and 140,439

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Solution

The third proportional to 92,330 and 140,439 is: 213,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,330 : 140,439 = 140,439 : x
  2. Step 2: Convert to fraction form
    92,330/140,439 = 140,439/x
  3. Step 3: Cross multiply
    92,330x = 140,439 × 140,439
  4. Step 4: Simplify right side
    92,330x = 19,723,112,721
  5. Step 5: Solve for x
    x = 19,723,112,721/92,330
  6. Step 6: Final answer
    x = 213,615.43

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.