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Finding the Third Proportional to 664,739 and 996,857

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Solution

The third proportional to 664,739 and 996,857 is: 1,494,908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,739 : 996,857 = 996,857 : x
  2. Step 2: Convert to fraction form
    664,739/996,857 = 996,857/x
  3. Step 3: Cross multiply
    664,739x = 996,857 × 996,857
  4. Step 4: Simplify right side
    664,739x = 993,723,878,449
  5. Step 5: Solve for x
    x = 993,723,878,449/664,739
  6. Step 6: Final answer
    x = 1,494,908.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.