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Finding the Third Proportional to 474.75 and 675

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Solution

The third proportional to 474.75 and 675 is: 959.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.75 : 675 = 675 : x
  2. Step 2: Convert to fraction form
    474.75/675 = 675/x
  3. Step 3: Cross multiply
    474.75x = 675 × 675
  4. Step 4: Simplify right side
    474.75x = 455,625
  5. Step 5: Solve for x
    x = 455,625/474.75
  6. Step 6: Final answer
    x = 959.72

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.