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Finding the Third Proportional to 171,891.75 and 262,287

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Solution

The third proportional to 171,891.75 and 262,287 is: 400,219.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,891.75 : 262,287 = 262,287 : x
  2. Step 2: Convert to fraction form
    171,891.75/262,287 = 262,287/x
  3. Step 3: Cross multiply
    171,891.75x = 262,287 × 262,287
  4. Step 4: Simplify right side
    171,891.75x = 68,794,470,369
  5. Step 5: Solve for x
    x = 68,794,470,369/171,891.75
  6. Step 6: Final answer
    x = 400,219.73

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.