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Finding the Third Proportional to 4,247,367 and 9,170,922

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Solution

The third proportional to 4,247,367 and 9,170,922 is: 19,801,870.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247,367 : 9,170,922 = 9,170,922 : x
  2. Step 2: Convert to fraction form
    4,247,367/9,170,922 = 9,170,922/x
  3. Step 3: Cross multiply
    4,247,367x = 9,170,922 × 9,170,922
  4. Step 4: Simplify right side
    4,247,367x = 84,105,810,330,084
  5. Step 5: Solve for x
    x = 84,105,810,330,084/4,247,367
  6. Step 6: Final answer
    x = 19,801,870.27

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.