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Finding the Third Proportional to 3,084,921 and 6,643,422

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Solution

The third proportional to 3,084,921 and 6,643,422 is: 14,306,705.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084,921 : 6,643,422 = 6,643,422 : x
  2. Step 2: Convert to fraction form
    3,084,921/6,643,422 = 6,643,422/x
  3. Step 3: Cross multiply
    3,084,921x = 6,643,422 × 6,643,422
  4. Step 4: Simplify right side
    3,084,921x = 44,135,055,870,084
  5. Step 5: Solve for x
    x = 44,135,055,870,084/3,084,921
  6. Step 6: Final answer
    x = 14,306,705.38

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.