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Finding the Third Proportional to 113.48 and 249.75

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Solution

The third proportional to 113.48 and 249.75 is: 549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.48 : 249.75 = 249.75 : x
  2. Step 2: Convert to fraction form
    113.48/249.75 = 249.75/x
  3. Step 3: Cross multiply
    113.48x = 249.75 × 249.75
  4. Step 4: Simplify right side
    113.48x = 62,375.06
  5. Step 5: Solve for x
    x = 62,375.06/113.48
  6. Step 6: Final answer
    x = 549.64

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.