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Finding the Third Proportional to 2,821,986 and 6,205,815

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Solution

The third proportional to 2,821,986 and 6,205,815 is: 13,647,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,986 : 6,205,815 = 6,205,815 : x
  2. Step 2: Convert to fraction form
    2,821,986/6,205,815 = 6,205,815/x
  3. Step 3: Cross multiply
    2,821,986x = 6,205,815 × 6,205,815
  4. Step 4: Simplify right side
    2,821,986x = 38,512,139,814,225
  5. Step 5: Solve for x
    x = 38,512,139,814,225/2,821,986
  6. Step 6: Final answer
    x = 13,647,176.07

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.