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Finding the Third Proportional to 323,335.71 and 680,166.97

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Solution

The third proportional to 323,335.71 and 680,166.97 is: 1,430,794.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,335.71 : 680,166.97 = 680,166.97 : x
  2. Step 2: Convert to fraction form
    323,335.71/680,166.97 = 680,166.97/x
  3. Step 3: Cross multiply
    323,335.71x = 680,166.97 × 680,166.97
  4. Step 4: Simplify right side
    323,335.71x = 462,627,102,721.70
  5. Step 5: Solve for x
    x = 462,627,102,721.70/323,335.71
  6. Step 6: Final answer
    x = 1,430,794.98

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.