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Finding the Third Proportional to 18,183.38 and 39,134.25

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Solution

The third proportional to 18,183.38 and 39,134.25 is: 84,224.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.38 : 39,134.25 = 39,134.25 : x
  2. Step 2: Convert to fraction form
    18,183.38/39,134.25 = 39,134.25/x
  3. Step 3: Cross multiply
    18,183.38x = 39,134.25 × 39,134.25
  4. Step 4: Simplify right side
    18,183.38x = 1,531,489,523.06
  5. Step 5: Solve for x
    x = 1,531,489,523.06/18,183.38
  6. Step 6: Final answer
    x = 84,224.71

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.