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Finding the Third Proportional to 52.31 and 124.88

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Solution

The third proportional to 52.31 and 124.88 is: 298.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.31 : 124.88 = 124.88 : x
  2. Step 2: Convert to fraction form
    52.31/124.88 = 124.88/x
  3. Step 3: Cross multiply
    52.31x = 124.88 × 124.88
  4. Step 4: Simplify right side
    52.31x = 15,593.77
  5. Step 5: Solve for x
    x = 15,593.77/52.31
  6. Step 6: Final answer
    x = 298.09

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.