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Finding the Third Proportional to 263 and 469

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Solution

The third proportional to 263 and 469 is: 836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    263 : 469 = 469 : x
  2. Step 2: Convert to fraction form
    263/469 = 469/x
  3. Step 3: Cross multiply
    263x = 469 × 469
  4. Step 4: Simplify right side
    263x = 219,961
  5. Step 5: Solve for x
    x = 219,961/263
  6. Step 6: Final answer
    x = 836.35

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.