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Finding the Third Proportional to 5.96 and 11.15

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Solution

The third proportional to 5.96 and 11.15 is: 20.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.96 : 11.15 = 11.15 : x
  2. Step 2: Convert to fraction form
    5.96/11.15 = 11.15/x
  3. Step 3: Cross multiply
    5.96x = 11.15 × 11.15
  4. Step 4: Simplify right side
    5.96x = 124.32
  5. Step 5: Solve for x
    x = 124.32/5.96
  6. Step 6: Final answer
    x = 20.88

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.