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Finding the Third Proportional to 303.25 and 481.25

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Solution

The third proportional to 303.25 and 481.25 is: 763.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.25 : 481.25 = 481.25 : x
  2. Step 2: Convert to fraction form
    303.25/481.25 = 481.25/x
  3. Step 3: Cross multiply
    303.25x = 481.25 × 481.25
  4. Step 4: Simplify right side
    303.25x = 231,601.56
  5. Step 5: Solve for x
    x = 231,601.56/303.25
  6. Step 6: Final answer
    x = 763.73

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.