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Finding the Third Proportional to 51.52 and 111.14

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Solution

The third proportional to 51.52 and 111.14 is: 239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51.52 : 111.14 = 111.14 : x
  2. Step 2: Convert to fraction form
    51.52/111.14 = 111.14/x
  3. Step 3: Cross multiply
    51.52x = 111.14 × 111.14
  4. Step 4: Simplify right side
    51.52x = 12,352.24
  5. Step 5: Solve for x
    x = 12,352.24/51.52
  6. Step 6: Final answer
    x = 239.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.