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Finding the Third Proportional to 1,198,823 and 2,568,642

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Solution

The third proportional to 1,198,823 and 2,568,642 is: 5,503,666.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,823 : 2,568,642 = 2,568,642 : x
  2. Step 2: Convert to fraction form
    1,198,823/2,568,642 = 2,568,642/x
  3. Step 3: Cross multiply
    1,198,823x = 2,568,642 × 2,568,642
  4. Step 4: Simplify right side
    1,198,823x = 6,597,921,724,164
  5. Step 5: Solve for x
    x = 6,597,921,724,164/1,198,823
  6. Step 6: Final answer
    x = 5,503,666.28

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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.