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Finding the Third Proportional to 4,366,912 and 9,479,744

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Solution

The third proportional to 4,366,912 and 9,479,744 is: 20,578,739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,366,912 : 9,479,744 = 9,479,744 : x
  2. Step 2: Convert to fraction form
    4,366,912/9,479,744 = 9,479,744/x
  3. Step 3: Cross multiply
    4,366,912x = 9,479,744 × 9,479,744
  4. Step 4: Simplify right side
    4,366,912x = 89,865,546,305,536
  5. Step 5: Solve for x
    x = 89,865,546,305,536/4,366,912
  6. Step 6: Final answer
    x = 20,578,739.92

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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.