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Finding the Third Proportional to 6.37 and 11.48

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Solution

The third proportional to 6.37 and 11.48 is: 20.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.37 : 11.48 = 11.48 : x
  2. Step 2: Convert to fraction form
    6.37/11.48 = 11.48/x
  3. Step 3: Cross multiply
    6.37x = 11.48 × 11.48
  4. Step 4: Simplify right side
    6.37x = 131.89
  5. Step 5: Solve for x
    x = 131.89/6.37
  6. Step 6: Final answer
    x = 20.71

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.