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Finding the Third Proportional to 3,311,517 and 7,331,256

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Solution

The third proportional to 3,311,517 and 7,331,256 is: 16,230,420.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311,517 : 7,331,256 = 7,331,256 : x
  2. Step 2: Convert to fraction form
    3,311,517/7,331,256 = 7,331,256/x
  3. Step 3: Cross multiply
    3,311,517x = 7,331,256 × 7,331,256
  4. Step 4: Simplify right side
    3,311,517x = 53,747,314,537,536
  5. Step 5: Solve for x
    x = 53,747,314,537,536/3,311,517
  6. Step 6: Final answer
    x = 16,230,420.84

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.