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Finding the Third Proportional to 467.44 and 636.75

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Solution

The third proportional to 467.44 and 636.75 is: 867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.44 : 636.75 = 636.75 : x
  2. Step 2: Convert to fraction form
    467.44/636.75 = 636.75/x
  3. Step 3: Cross multiply
    467.44x = 636.75 × 636.75
  4. Step 4: Simplify right side
    467.44x = 405,450.56
  5. Step 5: Solve for x
    x = 405,450.56/467.44
  6. Step 6: Final answer
    x = 867.39

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.