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Finding the Third Proportional to 878,996.25 and 1,865,907

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Solution

The third proportional to 878,996.25 and 1,865,907 is: 3,960,891.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,996.25 : 1,865,907 = 1,865,907 : x
  2. Step 2: Convert to fraction form
    878,996.25/1,865,907 = 1,865,907/x
  3. Step 3: Cross multiply
    878,996.25x = 1,865,907 × 1,865,907
  4. Step 4: Simplify right side
    878,996.25x = 3,481,608,932,649
  5. Step 5: Solve for x
    x = 3,481,608,932,649/878,996.25
  6. Step 6: Final answer
    x = 3,960,891.68

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.