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Finding the Third Proportional to 174.66 and 364.92

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Solution

The third proportional to 174.66 and 364.92 is: 762.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.66 : 364.92 = 364.92 : x
  2. Step 2: Convert to fraction form
    174.66/364.92 = 364.92/x
  3. Step 3: Cross multiply
    174.66x = 364.92 × 364.92
  4. Step 4: Simplify right side
    174.66x = 133,167.97
  5. Step 5: Solve for x
    x = 133,167.97/174.66
  6. Step 6: Final answer
    x = 762.46

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.