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Finding the Third Proportional to 18,153.28 and 27,502.88

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Solution

The third proportional to 18,153.28 and 27,502.88 is: 41,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.28 : 27,502.88 = 27,502.88 : x
  2. Step 2: Convert to fraction form
    18,153.28/27,502.88 = 27,502.88/x
  3. Step 3: Cross multiply
    18,153.28x = 27,502.88 × 27,502.88
  4. Step 4: Simplify right side
    18,153.28x = 756,408,133.27
  5. Step 5: Solve for x
    x = 756,408,133.27/18,153.28
  6. Step 6: Final answer
    x = 41,667.85

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.