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Finding the Third Proportional to 263 and 301.25

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Solution

The third proportional to 263 and 301.25 is: 345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    263 : 301.25 = 301.25 : x
  2. Step 2: Convert to fraction form
    263/301.25 = 301.25/x
  3. Step 3: Cross multiply
    263x = 301.25 × 301.25
  4. Step 4: Simplify right side
    263x = 90,751.56
  5. Step 5: Solve for x
    x = 90,751.56/263
  6. Step 6: Final answer
    x = 345.06

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.