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Finding the Third Proportional to 121,511.81 and 250,794.56

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Solution

The third proportional to 121,511.81 and 250,794.56 is: 517,627.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,511.81 : 250,794.56 = 250,794.56 : x
  2. Step 2: Convert to fraction form
    121,511.81/250,794.56 = 250,794.56/x
  3. Step 3: Cross multiply
    121,511.81x = 250,794.56 × 250,794.56
  4. Step 4: Simplify right side
    121,511.81x = 62,897,912,579.57
  5. Step 5: Solve for x
    x = 62,897,912,579.57/121,511.81
  6. Step 6: Final answer
    x = 517,627.97

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.