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Finding the Third Proportional to 273.75 and 413.63

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Solution

The third proportional to 273.75 and 413.63 is: 624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.75 : 413.63 = 413.63 : x
  2. Step 2: Convert to fraction form
    273.75/413.63 = 413.63/x
  3. Step 3: Cross multiply
    273.75x = 413.63 × 413.63
  4. Step 4: Simplify right side
    273.75x = 171,085.64
  5. Step 5: Solve for x
    x = 171,085.64/273.75
  6. Step 6: Final answer
    x = 624.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.