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Finding the Third Proportional to 204.75 and 481.69

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Solution

The third proportional to 204.75 and 481.69 is: 1,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.75 : 481.69 = 481.69 : x
  2. Step 2: Convert to fraction form
    204.75/481.69 = 481.69/x
  3. Step 3: Cross multiply
    204.75x = 481.69 × 481.69
  4. Step 4: Simplify right side
    204.75x = 232,022.85
  5. Step 5: Solve for x
    x = 232,022.85/204.75
  6. Step 6: Final answer
    x = 1,133.20

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.