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Finding the Third Proportional to 18,408.75 and 27,954.75

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Solution

The third proportional to 18,408.75 and 27,954.75 is: 42,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.75 : 27,954.75 = 27,954.75 : x
  2. Step 2: Convert to fraction form
    18,408.75/27,954.75 = 27,954.75/x
  3. Step 3: Cross multiply
    18,408.75x = 27,954.75 × 27,954.75
  4. Step 4: Simplify right side
    18,408.75x = 781,468,047.56
  5. Step 5: Solve for x
    x = 781,468,047.56/18,408.75
  6. Step 6: Final answer
    x = 42,450.90

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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.