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Finding the Third Proportional to 321,805.50 and 694,197

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Solution

The third proportional to 321,805.50 and 694,197 is: 1,497,517.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,805.50 : 694,197 = 694,197 : x
  2. Step 2: Convert to fraction form
    321,805.50/694,197 = 694,197/x
  3. Step 3: Cross multiply
    321,805.50x = 694,197 × 694,197
  4. Step 4: Simplify right side
    321,805.50x = 481,909,474,809
  5. Step 5: Solve for x
    x = 481,909,474,809/321,805.50
  6. Step 6: Final answer
    x = 1,497,517.83

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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.