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Finding the Third Proportional to 159,680.25 and 250,491.38

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Solution

The third proportional to 159,680.25 and 250,491.38 is: 392,947.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,680.25 : 250,491.38 = 250,491.38 : x
  2. Step 2: Convert to fraction form
    159,680.25/250,491.38 = 250,491.38/x
  3. Step 3: Cross multiply
    159,680.25x = 250,491.38 × 250,491.38
  4. Step 4: Simplify right side
    159,680.25x = 62,745,928,949.39
  5. Step 5: Solve for x
    x = 62,745,928,949.39/159,680.25
  6. Step 6: Final answer
    x = 392,947.34

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.