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Finding the Third Proportional to 335,087 and 679,893

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Solution

The third proportional to 335,087 and 679,893 is: 1,379,505.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,087 : 679,893 = 679,893 : x
  2. Step 2: Convert to fraction form
    335,087/679,893 = 679,893/x
  3. Step 3: Cross multiply
    335,087x = 679,893 × 679,893
  4. Step 4: Simplify right side
    335,087x = 462,254,491,449
  5. Step 5: Solve for x
    x = 462,254,491,449/335,087
  6. Step 6: Final answer
    x = 1,379,505.89

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.