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Finding the Third Proportional to 2,872,467 and 6,220,422

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Solution

The third proportional to 2,872,467 and 6,220,422 is: 13,470,528.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,467 : 6,220,422 = 6,220,422 : x
  2. Step 2: Convert to fraction form
    2,872,467/6,220,422 = 6,220,422/x
  3. Step 3: Cross multiply
    2,872,467x = 6,220,422 × 6,220,422
  4. Step 4: Simplify right side
    2,872,467x = 38,693,649,858,084
  5. Step 5: Solve for x
    x = 38,693,649,858,084/2,872,467
  6. Step 6: Final answer
    x = 13,470,528.94

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.