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Finding the Third Proportional to 263 and 475

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Solution

The third proportional to 263 and 475 is: 857.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    263 : 475 = 475 : x
  2. Step 2: Convert to fraction form
    263/475 = 475/x
  3. Step 3: Cross multiply
    263x = 475 × 475
  4. Step 4: Simplify right side
    263x = 225,625
  5. Step 5: Solve for x
    x = 225,625/263
  6. Step 6: Final answer
    x = 857.89

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Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.