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Finding the Third Proportional to 240.50 and 340.25

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Solution

The third proportional to 240.50 and 340.25 is: 481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.50 : 340.25 = 340.25 : x
  2. Step 2: Convert to fraction form
    240.50/340.25 = 340.25/x
  3. Step 3: Cross multiply
    240.50x = 340.25 × 340.25
  4. Step 4: Simplify right side
    240.50x = 115,770.06
  5. Step 5: Solve for x
    x = 115,770.06/240.50
  6. Step 6: Final answer
    x = 481.37

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.