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Finding the Third Proportional to 18,156.38 and 27,225.56

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Solution

The third proportional to 18,156.38 and 27,225.56 is: 40,824.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.38 : 27,225.56 = 27,225.56 : x
  2. Step 2: Convert to fraction form
    18,156.38/27,225.56 = 27,225.56/x
  3. Step 3: Cross multiply
    18,156.38x = 27,225.56 × 27,225.56
  4. Step 4: Simplify right side
    18,156.38x = 741,231,253.44
  5. Step 5: Solve for x
    x = 741,231,253.44/18,156.38
  6. Step 6: Final answer
    x = 40,824.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.