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Finding the Third Proportional to 313,279 and 504,425

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Solution

The third proportional to 313,279 and 504,425 is: 812,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,279 : 504,425 = 504,425 : x
  2. Step 2: Convert to fraction form
    313,279/504,425 = 504,425/x
  3. Step 3: Cross multiply
    313,279x = 504,425 × 504,425
  4. Step 4: Simplify right side
    313,279x = 254,444,580,625
  5. Step 5: Solve for x
    x = 254,444,580,625/313,279
  6. Step 6: Final answer
    x = 812,198.01

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.