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Finding the Third Proportional to 3,393,857 and 7,319,029

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Solution

The third proportional to 3,393,857 and 7,319,029 is: 15,783,866.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393,857 : 7,319,029 = 7,319,029 : x
  2. Step 2: Convert to fraction form
    3,393,857/7,319,029 = 7,319,029/x
  3. Step 3: Cross multiply
    3,393,857x = 7,319,029 × 7,319,029
  4. Step 4: Simplify right side
    3,393,857x = 53,568,185,502,841
  5. Step 5: Solve for x
    x = 53,568,185,502,841/3,393,857
  6. Step 6: Final answer
    x = 15,783,866.41

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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.