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Finding the Third Proportional to 8.48 and 18.33

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Solution

The third proportional to 8.48 and 18.33 is: 39.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.48 : 18.33 = 18.33 : x
  2. Step 2: Convert to fraction form
    8.48/18.33 = 18.33/x
  3. Step 3: Cross multiply
    8.48x = 18.33 × 18.33
  4. Step 4: Simplify right side
    8.48x = 335.92
  5. Step 5: Solve for x
    x = 335.92/8.48
  6. Step 6: Final answer
    x = 39.59

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.