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Finding the Third Proportional to 635,787 and 1,380,924

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Solution

The third proportional to 635,787 and 1,380,924 is: 2,999,355.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,787 : 1,380,924 = 1,380,924 : x
  2. Step 2: Convert to fraction form
    635,787/1,380,924 = 1,380,924/x
  3. Step 3: Cross multiply
    635,787x = 1,380,924 × 1,380,924
  4. Step 4: Simplify right side
    635,787x = 1,906,951,093,776
  5. Step 5: Solve for x
    x = 1,906,951,093,776/635,787
  6. Step 6: Final answer
    x = 2,999,355.28

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.