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Finding the Third Proportional to 106,902 and 230,920

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Solution

The third proportional to 106,902 and 230,920 is: 498,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,902 : 230,920 = 230,920 : x
  2. Step 2: Convert to fraction form
    106,902/230,920 = 230,920/x
  3. Step 3: Cross multiply
    106,902x = 230,920 × 230,920
  4. Step 4: Simplify right side
    106,902x = 53,324,046,400
  5. Step 5: Solve for x
    x = 53,324,046,400/106,902
  6. Step 6: Final answer
    x = 498,812.43

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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.