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Finding the Third Proportional to 998,892 and 2,157,393

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Solution

The third proportional to 998,892 and 2,157,393 is: 4,659,507.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,892 : 2,157,393 = 2,157,393 : x
  2. Step 2: Convert to fraction form
    998,892/2,157,393 = 2,157,393/x
  3. Step 3: Cross multiply
    998,892x = 2,157,393 × 2,157,393
  4. Step 4: Simplify right side
    998,892x = 4,654,344,556,449
  5. Step 5: Solve for x
    x = 4,654,344,556,449/998,892
  6. Step 6: Final answer
    x = 4,659,507.29

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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.