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Finding the Third Proportional to 18,552.38 and 40,020.75

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Solution

The third proportional to 18,552.38 and 40,020.75 is: 86,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.38 : 40,020.75 = 40,020.75 : x
  2. Step 2: Convert to fraction form
    18,552.38/40,020.75 = 40,020.75/x
  3. Step 3: Cross multiply
    18,552.38x = 40,020.75 × 40,020.75
  4. Step 4: Simplify right side
    18,552.38x = 1,601,660,430.56
  5. Step 5: Solve for x
    x = 1,601,660,430.56/18,552.38
  6. Step 6: Final answer
    x = 86,331.83

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.