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Finding the Third Proportional to 23,878.50 and 54,135

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Solution

The third proportional to 23,878.50 and 54,135 is: 122,729.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,878.50 : 54,135 = 54,135 : x
  2. Step 2: Convert to fraction form
    23,878.50/54,135 = 54,135/x
  3. Step 3: Cross multiply
    23,878.50x = 54,135 × 54,135
  4. Step 4: Simplify right side
    23,878.50x = 2,930,598,225
  5. Step 5: Solve for x
    x = 2,930,598,225/23,878.50
  6. Step 6: Final answer
    x = 122,729.58

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Why These Related Problems?

These problems maintain the same ratio (2.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.