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Finding the Third Proportional to 196,832 and 418,268

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Solution

The third proportional to 196,832 and 418,268 is: 888,819.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,832 : 418,268 = 418,268 : x
  2. Step 2: Convert to fraction form
    196,832/418,268 = 418,268/x
  3. Step 3: Cross multiply
    196,832x = 418,268 × 418,268
  4. Step 4: Simplify right side
    196,832x = 174,948,119,824
  5. Step 5: Solve for x
    x = 174,948,119,824/196,832
  6. Step 6: Final answer
    x = 888,819.50

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.