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Finding the Third Proportional to 1,223,721 and 2,624,589

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Solution

The third proportional to 1,223,721 and 2,624,589 is: 5,629,115.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,721 : 2,624,589 = 2,624,589 : x
  2. Step 2: Convert to fraction form
    1,223,721/2,624,589 = 2,624,589/x
  3. Step 3: Cross multiply
    1,223,721x = 2,624,589 × 2,624,589
  4. Step 4: Simplify right side
    1,223,721x = 6,888,467,418,921
  5. Step 5: Solve for x
    x = 6,888,467,418,921/1,223,721
  6. Step 6: Final answer
    x = 5,629,115.97

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.