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Finding the Third Proportional to 3,324,946.22 and 7,162,812.28

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Solution

The third proportional to 3,324,946.22 and 7,162,812.28 is: 15,430,589.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324,946.22 : 7,162,812.28 = 7,162,812.28 : x
  2. Step 2: Convert to fraction form
    3,324,946.22/7,162,812.28 = 7,162,812.28/x
  3. Step 3: Cross multiply
    3,324,946.22x = 7,162,812.28 × 7,162,812.28
  4. Step 4: Simplify right side
    3,324,946.22x = 51,305,879,776,425.83
  5. Step 5: Solve for x
    x = 51,305,879,776,425.83/3,324,946.22
  6. Step 6: Final answer
    x = 15,430,589.37

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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.