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Finding the Third Proportional to 197,384 and 434,131

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Solution

The third proportional to 197,384 and 434,131 is: 954,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,384 : 434,131 = 434,131 : x
  2. Step 2: Convert to fraction form
    197,384/434,131 = 434,131/x
  3. Step 3: Cross multiply
    197,384x = 434,131 × 434,131
  4. Step 4: Simplify right side
    197,384x = 188,469,725,161
  5. Step 5: Solve for x
    x = 188,469,725,161/197,384
  6. Step 6: Final answer
    x = 954,837.91

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.