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Finding the Third Proportional to 6.41 and 13.53

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Solution

The third proportional to 6.41 and 13.53 is: 28.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.41 : 13.53 = 13.53 : x
  2. Step 2: Convert to fraction form
    6.41/13.53 = 13.53/x
  3. Step 3: Cross multiply
    6.41x = 13.53 × 13.53
  4. Step 4: Simplify right side
    6.41x = 182.96
  5. Step 5: Solve for x
    x = 182.96/6.41
  6. Step 6: Final answer
    x = 28.56

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.