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Finding the Third Proportional to 38,423 and 83,839

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Solution

The third proportional to 38,423 and 83,839 is: 182,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423 : 83,839 = 83,839 : x
  2. Step 2: Convert to fraction form
    38,423/83,839 = 83,839/x
  3. Step 3: Cross multiply
    38,423x = 83,839 × 83,839
  4. Step 4: Simplify right side
    38,423x = 7,028,977,921
  5. Step 5: Solve for x
    x = 7,028,977,921/38,423
  6. Step 6: Final answer
    x = 182,936.73

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.