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Finding the Third Proportional to 43,234 and 66,163

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Solution

The third proportional to 43,234 and 66,163 is: 101,252.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,234 : 66,163 = 66,163 : x
  2. Step 2: Convert to fraction form
    43,234/66,163 = 66,163/x
  3. Step 3: Cross multiply
    43,234x = 66,163 × 66,163
  4. Step 4: Simplify right side
    43,234x = 4,377,542,569
  5. Step 5: Solve for x
    x = 4,377,542,569/43,234
  6. Step 6: Final answer
    x = 101,252.31

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.