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Finding the Third Proportional to 250,812 and 489,060

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Solution

The third proportional to 250,812 and 489,060 is: 953,621.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,812 : 489,060 = 489,060 : x
  2. Step 2: Convert to fraction form
    250,812/489,060 = 489,060/x
  3. Step 3: Cross multiply
    250,812x = 489,060 × 489,060
  4. Step 4: Simplify right side
    250,812x = 239,179,683,600
  5. Step 5: Solve for x
    x = 239,179,683,600/250,812
  6. Step 6: Final answer
    x = 953,621.37

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.