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Finding the Third Proportional to 12,255.47 and 18,366.75

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Solution

The third proportional to 12,255.47 and 18,366.75 is: 27,525.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,255.47 : 18,366.75 = 18,366.75 : x
  2. Step 2: Convert to fraction form
    12,255.47/18,366.75 = 18,366.75/x
  3. Step 3: Cross multiply
    12,255.47x = 18,366.75 × 18,366.75
  4. Step 4: Simplify right side
    12,255.47x = 337,337,505.56
  5. Step 5: Solve for x
    x = 337,337,505.56/12,255.47
  6. Step 6: Final answer
    x = 27,525.47

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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.