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Finding the Third Proportional to 52 and 112.75

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Solution

The third proportional to 52 and 112.75 is: 244.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52 : 112.75 = 112.75 : x
  2. Step 2: Convert to fraction form
    52/112.75 = 112.75/x
  3. Step 3: Cross multiply
    52x = 112.75 × 112.75
  4. Step 4: Simplify right side
    52x = 12,712.56
  5. Step 5: Solve for x
    x = 12,712.56/52
  6. Step 6: Final answer
    x = 244.47

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.