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Finding the Third Proportional to 8.37 and 11.74

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Solution

The third proportional to 8.37 and 11.74 is: 16.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.37 : 11.74 = 11.74 : x
  2. Step 2: Convert to fraction form
    8.37/11.74 = 11.74/x
  3. Step 3: Cross multiply
    8.37x = 11.74 × 11.74
  4. Step 4: Simplify right side
    8.37x = 137.88
  5. Step 5: Solve for x
    x = 137.88/8.37
  6. Step 6: Final answer
    x = 16.48

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.