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Finding the Third Proportional to 3,328,623 and 7,169,976

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Solution

The third proportional to 3,328,623 and 7,169,976 is: 15,444,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328,623 : 7,169,976 = 7,169,976 : x
  2. Step 2: Convert to fraction form
    3,328,623/7,169,976 = 7,169,976/x
  3. Step 3: Cross multiply
    3,328,623x = 7,169,976 × 7,169,976
  4. Step 4: Simplify right side
    3,328,623x = 51,408,555,840,576
  5. Step 5: Solve for x
    x = 51,408,555,840,576/3,328,623
  6. Step 6: Final answer
    x = 15,444,391.22

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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.