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Finding the Third Proportional to 11,666,786 and 18,260,067

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Solution

The third proportional to 11,666,786 and 18,260,067 is: 28,579,425.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666,786 : 18,260,067 = 18,260,067 : x
  2. Step 2: Convert to fraction form
    11,666,786/18,260,067 = 18,260,067/x
  3. Step 3: Cross multiply
    11,666,786x = 18,260,067 × 18,260,067
  4. Step 4: Simplify right side
    11,666,786x = 333,430,046,844,489
  5. Step 5: Solve for x
    x = 333,430,046,844,489/11,666,786
  6. Step 6: Final answer
    x = 28,579,425.97

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.