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Finding the Third Proportional to 308,328 and 673,104

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Solution

The third proportional to 308,328 and 673,104 is: 1,469,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,328 : 673,104 = 673,104 : x
  2. Step 2: Convert to fraction form
    308,328/673,104 = 673,104/x
  3. Step 3: Cross multiply
    308,328x = 673,104 × 673,104
  4. Step 4: Simplify right side
    308,328x = 453,068,994,816
  5. Step 5: Solve for x
    x = 453,068,994,816/308,328
  6. Step 6: Final answer
    x = 1,469,438.37

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.