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Finding the Third Proportional to 269 and 475.75

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Solution

The third proportional to 269 and 475.75 is: 841.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    269 : 475.75 = 475.75 : x
  2. Step 2: Convert to fraction form
    269/475.75 = 475.75/x
  3. Step 3: Cross multiply
    269x = 475.75 × 475.75
  4. Step 4: Simplify right side
    269x = 226,338.06
  5. Step 5: Solve for x
    x = 226,338.06/269
  6. Step 6: Final answer
    x = 841.41

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.