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Finding the Third Proportional to 1,515,231 and 3,366,767

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Solution

The third proportional to 1,515,231 and 3,366,767 is: 7,480,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,231 : 3,366,767 = 3,366,767 : x
  2. Step 2: Convert to fraction form
    1,515,231/3,366,767 = 3,366,767/x
  3. Step 3: Cross multiply
    1,515,231x = 3,366,767 × 3,366,767
  4. Step 4: Simplify right side
    1,515,231x = 11,335,120,032,289
  5. Step 5: Solve for x
    x = 11,335,120,032,289/1,515,231
  6. Step 6: Final answer
    x = 7,480,786.78

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.