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Finding the Third Proportional to 255.75 and 596.75

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Solution

The third proportional to 255.75 and 596.75 is: 1,392.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    255.75 : 596.75 = 596.75 : x
  2. Step 2: Convert to fraction form
    255.75/596.75 = 596.75/x
  3. Step 3: Cross multiply
    255.75x = 596.75 × 596.75
  4. Step 4: Simplify right side
    255.75x = 356,110.56
  5. Step 5: Solve for x
    x = 356,110.56/255.75
  6. Step 6: Final answer
    x = 1,392.42

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.