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Finding the Third Proportional to 323,561.25 and 489,867.75

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Solution

The third proportional to 323,561.25 and 489,867.75 is: 741,653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,561.25 : 489,867.75 = 489,867.75 : x
  2. Step 2: Convert to fraction form
    323,561.25/489,867.75 = 489,867.75/x
  3. Step 3: Cross multiply
    323,561.25x = 489,867.75 × 489,867.75
  4. Step 4: Simplify right side
    323,561.25x = 239,970,412,490.06
  5. Step 5: Solve for x
    x = 239,970,412,490.06/323,561.25
  6. Step 6: Final answer
    x = 741,653.74

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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.