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Finding the Third Proportional to 382.22 and 573.61

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Solution

The third proportional to 382.22 and 573.61 is: 860.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.22 : 573.61 = 573.61 : x
  2. Step 2: Convert to fraction form
    382.22/573.61 = 573.61/x
  3. Step 3: Cross multiply
    382.22x = 573.61 × 573.61
  4. Step 4: Simplify right side
    382.22x = 329,027.72
  5. Step 5: Solve for x
    x = 329,027.72/382.22
  6. Step 6: Final answer
    x = 860.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.