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Finding the Third Proportional to 203.75 and 481.38

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Solution

The third proportional to 203.75 and 481.38 is: 1,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.75 : 481.38 = 481.38 : x
  2. Step 2: Convert to fraction form
    203.75/481.38 = 481.38/x
  3. Step 3: Cross multiply
    203.75x = 481.38 × 481.38
  4. Step 4: Simplify right side
    203.75x = 231,721.89
  5. Step 5: Solve for x
    x = 231,721.89/203.75
  6. Step 6: Final answer
    x = 1,137.29

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.