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Finding the Third Proportional to 6.75 and 10.49

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Solution

The third proportional to 6.75 and 10.49 is: 16.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.75 : 10.49 = 10.49 : x
  2. Step 2: Convert to fraction form
    6.75/10.49 = 10.49/x
  3. Step 3: Cross multiply
    6.75x = 10.49 × 10.49
  4. Step 4: Simplify right side
    6.75x = 110.13
  5. Step 5: Solve for x
    x = 110.13/6.75
  6. Step 6: Final answer
    x = 16.32

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.