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Finding the Third Proportional to 18,174.38 and 38,976.75

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Solution

The third proportional to 18,174.38 and 38,976.75 is: 83,589.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.38 : 38,976.75 = 38,976.75 : x
  2. Step 2: Convert to fraction form
    18,174.38/38,976.75 = 38,976.75/x
  3. Step 3: Cross multiply
    18,174.38x = 38,976.75 × 38,976.75
  4. Step 4: Simplify right side
    18,174.38x = 1,519,187,040.56
  5. Step 5: Solve for x
    x = 1,519,187,040.56/18,174.38
  6. Step 6: Final answer
    x = 83,589.51

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.