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Finding the Third Proportional to 1,821,724.50 and 3,997,734

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Solution

The third proportional to 1,821,724.50 and 3,997,734 is: 8,772,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,724.50 : 3,997,734 = 3,997,734 : x
  2. Step 2: Convert to fraction form
    1,821,724.50/3,997,734 = 3,997,734/x
  3. Step 3: Cross multiply
    1,821,724.50x = 3,997,734 × 3,997,734
  4. Step 4: Simplify right side
    1,821,724.50x = 15,981,877,134,756
  5. Step 5: Solve for x
    x = 15,981,877,134,756/1,821,724.50
  6. Step 6: Final answer
    x = 8,772,938.57

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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.