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Finding the Third Proportional to 3,906,149.06 and 8,557,042.50

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Solution

The third proportional to 3,906,149.06 and 8,557,042.50 is: 18,745,566.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,149.06 : 8,557,042.50 = 8,557,042.50 : x
  2. Step 2: Convert to fraction form
    3,906,149.06/8,557,042.50 = 8,557,042.50/x
  3. Step 3: Cross multiply
    3,906,149.06x = 8,557,042.50 × 8,557,042.50
  4. Step 4: Simplify right side
    3,906,149.06x = 73,222,976,346,806.25
  5. Step 5: Solve for x
    x = 73,222,976,346,806.25/3,906,149.06
  6. Step 6: Final answer
    x = 18,745,566.33

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.