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Finding the Third Proportional to 96,831 and 209,747

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Solution

The third proportional to 96,831 and 209,747 is: 454,335.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,831 : 209,747 = 209,747 : x
  2. Step 2: Convert to fraction form
    96,831/209,747 = 209,747/x
  3. Step 3: Cross multiply
    96,831x = 209,747 × 209,747
  4. Step 4: Simplify right side
    96,831x = 43,993,804,009
  5. Step 5: Solve for x
    x = 43,993,804,009/96,831
  6. Step 6: Final answer
    x = 454,335.95

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.