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Finding the Third Proportional to 160.94 and 255.75

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Solution

The third proportional to 160.94 and 255.75 is: 406.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.94 : 255.75 = 255.75 : x
  2. Step 2: Convert to fraction form
    160.94/255.75 = 255.75/x
  3. Step 3: Cross multiply
    160.94x = 255.75 × 255.75
  4. Step 4: Simplify right side
    160.94x = 65,408.06
  5. Step 5: Solve for x
    x = 65,408.06/160.94
  6. Step 6: Final answer
    x = 406.42

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.