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Finding the Third Proportional to 52.38 and 69.88

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Solution

The third proportional to 52.38 and 69.88 is: 93.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.38 : 69.88 = 69.88 : x
  2. Step 2: Convert to fraction form
    52.38/69.88 = 69.88/x
  3. Step 3: Cross multiply
    52.38x = 69.88 × 69.88
  4. Step 4: Simplify right side
    52.38x = 4,882.52
  5. Step 5: Solve for x
    x = 4,882.52/52.38
  6. Step 6: Final answer
    x = 93.22

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.