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Finding the Third Proportional to 168,156 and 367,884

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Solution

The third proportional to 168,156 and 367,884 is: 804,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,156 : 367,884 = 367,884 : x
  2. Step 2: Convert to fraction form
    168,156/367,884 = 367,884/x
  3. Step 3: Cross multiply
    168,156x = 367,884 × 367,884
  4. Step 4: Simplify right side
    168,156x = 135,338,637,456
  5. Step 5: Solve for x
    x = 135,338,637,456/168,156
  6. Step 6: Final answer
    x = 804,839.78

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.