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Finding the Third Proportional to 343.13 and 494.44

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Solution

The third proportional to 343.13 and 494.44 is: 712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.13 : 494.44 = 494.44 : x
  2. Step 2: Convert to fraction form
    343.13/494.44 = 494.44/x
  3. Step 3: Cross multiply
    343.13x = 494.44 × 494.44
  4. Step 4: Simplify right side
    343.13x = 244,468.44
  5. Step 5: Solve for x
    x = 244,468.44/343.13
  6. Step 6: Final answer
    x = 712.48

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.