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Finding the Third Proportional to 225,920 and 489,033.50

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Solution

The third proportional to 225,920 and 489,033.50 is: 1,058,577.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,920 : 489,033.50 = 489,033.50 : x
  2. Step 2: Convert to fraction form
    225,920/489,033.50 = 489,033.50/x
  3. Step 3: Cross multiply
    225,920x = 489,033.50 × 489,033.50
  4. Step 4: Simplify right side
    225,920x = 239,153,764,122.25
  5. Step 5: Solve for x
    x = 239,153,764,122.25/225,920
  6. Step 6: Final answer
    x = 1,058,577.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.