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Finding the Third Proportional to 223.50 and 335.20

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Solution

The third proportional to 223.50 and 335.20 is: 502.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.50 : 335.20 = 335.20 : x
  2. Step 2: Convert to fraction form
    223.50/335.20 = 335.20/x
  3. Step 3: Cross multiply
    223.50x = 335.20 × 335.20
  4. Step 4: Simplify right side
    223.50x = 112,361.14
  5. Step 5: Solve for x
    x = 112,361.14/223.50
  6. Step 6: Final answer
    x = 502.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.