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Finding the Third Proportional to 641,383.31 and 1,394,403.29

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Solution

The third proportional to 641,383.31 and 1,394,403.29 is: 3,031,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,383.31 : 1,394,403.29 = 1,394,403.29 : x
  2. Step 2: Convert to fraction form
    641,383.31/1,394,403.29 = 1,394,403.29/x
  3. Step 3: Cross multiply
    641,383.31x = 1,394,403.29 × 1,394,403.29
  4. Step 4: Simplify right side
    641,383.31x = 1,944,360,543,442.23
  5. Step 5: Solve for x
    x = 1,944,360,543,442.23/641,383.31
  6. Step 6: Final answer
    x = 3,031,510.96

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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.