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Finding the Third Proportional to 140,418 and 182,163

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Solution

The third proportional to 140,418 and 182,163 is: 236,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,418 : 182,163 = 182,163 : x
  2. Step 2: Convert to fraction form
    140,418/182,163 = 182,163/x
  3. Step 3: Cross multiply
    140,418x = 182,163 × 182,163
  4. Step 4: Simplify right side
    140,418x = 33,183,358,569
  5. Step 5: Solve for x
    x = 33,183,358,569/140,418
  6. Step 6: Final answer
    x = 236,318.41

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.