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Finding the Third Proportional to 1,915,863 and 3,192,976.50

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Solution

The third proportional to 1,915,863 and 3,192,976.50 is: 5,321,413.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,863 : 3,192,976.50 = 3,192,976.50 : x
  2. Step 2: Convert to fraction form
    1,915,863/3,192,976.50 = 3,192,976.50/x
  3. Step 3: Cross multiply
    1,915,863x = 3,192,976.50 × 3,192,976.50
  4. Step 4: Simplify right side
    1,915,863x = 10,195,098,929,552.25
  5. Step 5: Solve for x
    x = 10,195,098,929,552.25/1,915,863
  6. Step 6: Final answer
    x = 5,321,413.34

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.