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Finding the Third Proportional to 18.98 and 24.47

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Solution

The third proportional to 18.98 and 24.47 is: 31.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18.98 : 24.47 = 24.47 : x
  2. Step 2: Convert to fraction form
    18.98/24.47 = 24.47/x
  3. Step 3: Cross multiply
    18.98x = 24.47 × 24.47
  4. Step 4: Simplify right side
    18.98x = 598.72
  5. Step 5: Solve for x
    x = 598.72/18.98
  6. Step 6: Final answer
    x = 31.54

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.