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Finding the Third Proportional to 463.88 and 636.75

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Solution

The third proportional to 463.88 and 636.75 is: 874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.88 : 636.75 = 636.75 : x
  2. Step 2: Convert to fraction form
    463.88/636.75 = 636.75/x
  3. Step 3: Cross multiply
    463.88x = 636.75 × 636.75
  4. Step 4: Simplify right side
    463.88x = 405,450.56
  5. Step 5: Solve for x
    x = 405,450.56/463.88
  6. Step 6: Final answer
    x = 874.05

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.