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Finding the Third Proportional to 382.13 and 573.56

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Solution

The third proportional to 382.13 and 573.56 is: 860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.13 : 573.56 = 573.56 : x
  2. Step 2: Convert to fraction form
    382.13/573.56 = 573.56/x
  3. Step 3: Cross multiply
    382.13x = 573.56 × 573.56
  4. Step 4: Simplify right side
    382.13x = 328,973.94
  5. Step 5: Solve for x
    x = 328,973.94/382.13
  6. Step 6: Final answer
    x = 860.91

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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.