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Finding the Third Proportional to 192,450 and 419,838

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Solution

The third proportional to 192,450 and 419,838 is: 915,894.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,450 : 419,838 = 419,838 : x
  2. Step 2: Convert to fraction form
    192,450/419,838 = 419,838/x
  3. Step 3: Cross multiply
    192,450x = 419,838 × 419,838
  4. Step 4: Simplify right side
    192,450x = 176,263,946,244
  5. Step 5: Solve for x
    x = 176,263,946,244/192,450
  6. Step 6: Final answer
    x = 915,894.76

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.