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Finding the Third Proportional to 6.96 and 10.67

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Solution

The third proportional to 6.96 and 10.67 is: 16.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.96 : 10.67 = 10.67 : x
  2. Step 2: Convert to fraction form
    6.96/10.67 = 10.67/x
  3. Step 3: Cross multiply
    6.96x = 10.67 × 10.67
  4. Step 4: Simplify right side
    6.96x = 113.94
  5. Step 5: Solve for x
    x = 113.94/6.96
  6. Step 6: Final answer
    x = 16.36

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.