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Finding the Third Proportional to 18,134 and 39,589

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Solution

The third proportional to 18,134 and 39,589 is: 86,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134 : 39,589 = 39,589 : x
  2. Step 2: Convert to fraction form
    18,134/39,589 = 39,589/x
  3. Step 3: Cross multiply
    18,134x = 39,589 × 39,589
  4. Step 4: Simplify right side
    18,134x = 1,567,288,921
  5. Step 5: Solve for x
    x = 1,567,288,921/18,134
  6. Step 6: Final answer
    x = 86,428.20

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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.