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Finding the Third Proportional to 11,666,646 and 18,259,857

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Solution

The third proportional to 11,666,646 and 18,259,857 is: 28,579,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666,646 : 18,259,857 = 18,259,857 : x
  2. Step 2: Convert to fraction form
    11,666,646/18,259,857 = 18,259,857/x
  3. Step 3: Cross multiply
    11,666,646x = 18,259,857 × 18,259,857
  4. Step 4: Simplify right side
    11,666,646x = 333,422,377,660,449
  5. Step 5: Solve for x
    x = 333,422,377,660,449/11,666,646
  6. Step 6: Final answer
    x = 28,579,111.57

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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.