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Finding the Third Proportional to 6.28 and 9.66

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Solution

The third proportional to 6.28 and 9.66 is: 14.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.28 : 9.66 = 9.66 : x
  2. Step 2: Convert to fraction form
    6.28/9.66 = 9.66/x
  3. Step 3: Cross multiply
    6.28x = 9.66 × 9.66
  4. Step 4: Simplify right side
    6.28x = 93.24
  5. Step 5: Solve for x
    x = 93.24/6.28
  6. Step 6: Final answer
    x = 14.84

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.