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Finding the Third Proportional to 194.38 and 413.75

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Solution

The third proportional to 194.38 and 413.75 is: 880.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.38 : 413.75 = 413.75 : x
  2. Step 2: Convert to fraction form
    194.38/413.75 = 413.75/x
  3. Step 3: Cross multiply
    194.38x = 413.75 × 413.75
  4. Step 4: Simplify right side
    194.38x = 171,192.29
  5. Step 5: Solve for x
    x = 171,192.29/194.38
  6. Step 6: Final answer
    x = 880.71

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.