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Finding the Third Proportional to 227,928.75 and 489,087.75

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Solution

The third proportional to 227,928.75 and 489,087.75 is: 1,049,480.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,928.75 : 489,087.75 = 489,087.75 : x
  2. Step 2: Convert to fraction form
    227,928.75/489,087.75 = 489,087.75/x
  3. Step 3: Cross multiply
    227,928.75x = 489,087.75 × 489,087.75
  4. Step 4: Simplify right side
    227,928.75x = 239,206,827,200.06
  5. Step 5: Solve for x
    x = 239,206,827,200.06/227,928.75
  6. Step 6: Final answer
    x = 1,049,480.71

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.