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Finding the Third Proportional to 203.75 and 454.75

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Solution

The third proportional to 203.75 and 454.75 is: 1,014.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.75 : 454.75 = 454.75 : x
  2. Step 2: Convert to fraction form
    203.75/454.75 = 454.75/x
  3. Step 3: Cross multiply
    203.75x = 454.75 × 454.75
  4. Step 4: Simplify right side
    203.75x = 206,797.56
  5. Step 5: Solve for x
    x = 206,797.56/203.75
  6. Step 6: Final answer
    x = 1,014.96

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.