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Finding the Third Proportional to 253.75 and 337.44

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Solution

The third proportional to 253.75 and 337.44 is: 448.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.75 : 337.44 = 337.44 : x
  2. Step 2: Convert to fraction form
    253.75/337.44 = 337.44/x
  3. Step 3: Cross multiply
    253.75x = 337.44 × 337.44
  4. Step 4: Simplify right side
    253.75x = 113,864.07
  5. Step 5: Solve for x
    x = 113,864.07/253.75
  6. Step 6: Final answer
    x = 448.73

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.