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Finding the Third Proportional to 621,794.50 and 1,338,722

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Solution

The third proportional to 621,794.50 and 1,338,722 is: 2,882,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,794.50 : 1,338,722 = 1,338,722 : x
  2. Step 2: Convert to fraction form
    621,794.50/1,338,722 = 1,338,722/x
  3. Step 3: Cross multiply
    621,794.50x = 1,338,722 × 1,338,722
  4. Step 4: Simplify right side
    621,794.50x = 1,792,176,593,284
  5. Step 5: Solve for x
    x = 1,792,176,593,284/621,794.50
  6. Step 6: Final answer
    x = 2,882,265.11

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.