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Finding the Third Proportional to 194.91 and 327.80

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Solution

The third proportional to 194.91 and 327.80 is: 551.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.91 : 327.80 = 327.80 : x
  2. Step 2: Convert to fraction form
    194.91/327.80 = 327.80/x
  3. Step 3: Cross multiply
    194.91x = 327.80 × 327.80
  4. Step 4: Simplify right side
    194.91x = 107,450.79
  5. Step 5: Solve for x
    x = 107,450.79/194.91
  6. Step 6: Final answer
    x = 551.29

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.