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Finding the Third Proportional to 252.49 and 340.98

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Solution

The third proportional to 252.49 and 340.98 is: 460.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.49 : 340.98 = 340.98 : x
  2. Step 2: Convert to fraction form
    252.49/340.98 = 340.98/x
  3. Step 3: Cross multiply
    252.49x = 340.98 × 340.98
  4. Step 4: Simplify right side
    252.49x = 116,267.68
  5. Step 5: Solve for x
    x = 116,267.68/252.49
  6. Step 6: Final answer
    x = 460.48

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.