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Finding the Third Proportional to 24 and 39.88

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Solution

The third proportional to 24 and 39.88 is: 66.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    24 : 39.88 = 39.88 : x
  2. Step 2: Convert to fraction form
    24/39.88 = 39.88/x
  3. Step 3: Cross multiply
    24x = 39.88 × 39.88
  4. Step 4: Simplify right side
    24x = 1,590.02
  5. Step 5: Solve for x
    x = 1,590.02/24
  6. Step 6: Final answer
    x = 66.25

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.