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Finding the Third Proportional to 121.75 and 241

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Solution

The third proportional to 121.75 and 241 is: 477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121.75 : 241 = 241 : x
  2. Step 2: Convert to fraction form
    121.75/241 = 241/x
  3. Step 3: Cross multiply
    121.75x = 241 × 241
  4. Step 4: Simplify right side
    121.75x = 58,081
  5. Step 5: Solve for x
    x = 58,081/121.75
  6. Step 6: Final answer
    x = 477.05

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Why These Related Problems?

These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.