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Finding the Third Proportional to 5.76 and 13.53

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Solution

The third proportional to 5.76 and 13.53 is: 31.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.76 : 13.53 = 13.53 : x
  2. Step 2: Convert to fraction form
    5.76/13.53 = 13.53/x
  3. Step 3: Cross multiply
    5.76x = 13.53 × 13.53
  4. Step 4: Simplify right side
    5.76x = 183.01
  5. Step 5: Solve for x
    x = 183.01/5.76
  6. Step 6: Final answer
    x = 31.76

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.