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Finding the Third Proportional to 52 and 141.25

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Solution

The third proportional to 52 and 141.25 is: 383.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52 : 141.25 = 141.25 : x
  2. Step 2: Convert to fraction form
    52/141.25 = 141.25/x
  3. Step 3: Cross multiply
    52x = 141.25 × 141.25
  4. Step 4: Simplify right side
    52x = 19,951.56
  5. Step 5: Solve for x
    x = 19,951.56/52
  6. Step 6: Final answer
    x = 383.68

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Why These Related Problems?

These problems maintain the same ratio (2.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.