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Finding the Third Proportional to 176.44 and 268.44

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Solution

The third proportional to 176.44 and 268.44 is: 408.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.44 : 268.44 = 268.44 : x
  2. Step 2: Convert to fraction form
    176.44/268.44 = 268.44/x
  3. Step 3: Cross multiply
    176.44x = 268.44 × 268.44
  4. Step 4: Simplify right side
    176.44x = 72,058.69
  5. Step 5: Solve for x
    x = 72,058.69/176.44
  6. Step 6: Final answer
    x = 408.41

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.