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Finding the Third Proportional to 207,334 and 320,163

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Solution

The third proportional to 207,334 and 320,163 is: 494,392.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,334 : 320,163 = 320,163 : x
  2. Step 2: Convert to fraction form
    207,334/320,163 = 320,163/x
  3. Step 3: Cross multiply
    207,334x = 320,163 × 320,163
  4. Step 4: Simplify right side
    207,334x = 102,504,346,569
  5. Step 5: Solve for x
    x = 102,504,346,569/207,334
  6. Step 6: Final answer
    x = 494,392.36

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.