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Finding the Third Proportional to 363.88 and 564.25

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Solution

The third proportional to 363.88 and 564.25 is: 874.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.88 : 564.25 = 564.25 : x
  2. Step 2: Convert to fraction form
    363.88/564.25 = 564.25/x
  3. Step 3: Cross multiply
    363.88x = 564.25 × 564.25
  4. Step 4: Simplify right side
    363.88x = 318,378.06
  5. Step 5: Solve for x
    x = 318,378.06/363.88
  6. Step 6: Final answer
    x = 874.97

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.