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Finding the Third Proportional to 230.75 and 337.38

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Solution

The third proportional to 230.75 and 337.38 is: 493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.75 : 337.38 = 337.38 : x
  2. Step 2: Convert to fraction form
    230.75/337.38 = 337.38/x
  3. Step 3: Cross multiply
    230.75x = 337.38 × 337.38
  4. Step 4: Simplify right side
    230.75x = 113,821.89
  5. Step 5: Solve for x
    x = 113,821.89/230.75
  6. Step 6: Final answer
    x = 493.27

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.