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Finding the Third Proportional to 207,900 and 446,857

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Solution

The third proportional to 207,900 and 446,857 is: 960,467.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,900 : 446,857 = 446,857 : x
  2. Step 2: Convert to fraction form
    207,900/446,857 = 446,857/x
  3. Step 3: Cross multiply
    207,900x = 446,857 × 446,857
  4. Step 4: Simplify right side
    207,900x = 199,681,178,449
  5. Step 5: Solve for x
    x = 199,681,178,449/207,900
  6. Step 6: Final answer
    x = 960,467.43

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.