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Finding the Third Proportional to 1,022,188,821 and 2,223,474,699

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Solution

The third proportional to 1,022,188,821 and 2,223,474,699 is: 4,836,522,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,188,821 : 2,223,474,699 = 2,223,474,699 : x
  2. Step 2: Convert to fraction form
    1,022,188,821/2,223,474,699 = 2,223,474,699/x
  3. Step 3: Cross multiply
    1,022,188,821x = 2,223,474,699 × 2,223,474,699
  4. Step 4: Simplify right side
    1,022,188,821x = 4,943,839,737,093,140,480
  5. Step 5: Solve for x
    x = 4,943,839,737,093,140,480/1,022,188,821
  6. Step 6: Final answer
    x = 4,836,522,994.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.