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Finding the Third Proportional to 392 and 568

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Solution

The third proportional to 392 and 568 is: 823.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    392 : 568 = 568 : x
  2. Step 2: Convert to fraction form
    392/568 = 568/x
  3. Step 3: Cross multiply
    392x = 568 × 568
  4. Step 4: Simplify right side
    392x = 322,624
  5. Step 5: Solve for x
    x = 322,624/392
  6. Step 6: Final answer
    x = 823.02

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These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.