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Finding the Third Proportional to 378,094 and 818,252

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Solution

The third proportional to 378,094 and 818,252 is: 1,770,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,094 : 818,252 = 818,252 : x
  2. Step 2: Convert to fraction form
    378,094/818,252 = 818,252/x
  3. Step 3: Cross multiply
    378,094x = 818,252 × 818,252
  4. Step 4: Simplify right side
    378,094x = 669,536,335,504
  5. Step 5: Solve for x
    x = 669,536,335,504/378,094
  6. Step 6: Final answer
    x = 1,770,819.78

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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.