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Finding the Third Proportional to 6.37 and 13.57

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Solution

The third proportional to 6.37 and 13.57 is: 28.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.37 : 13.57 = 13.57 : x
  2. Step 2: Convert to fraction form
    6.37/13.57 = 13.57/x
  3. Step 3: Cross multiply
    6.37x = 13.57 × 13.57
  4. Step 4: Simplify right side
    6.37x = 184.03
  5. Step 5: Solve for x
    x = 184.03/6.37
  6. Step 6: Final answer
    x = 28.89

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.