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Finding the Third Proportional to 126,168 and 203,268

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Solution

The third proportional to 126,168 and 203,268 is: 327,483.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,168 : 203,268 = 203,268 : x
  2. Step 2: Convert to fraction form
    126,168/203,268 = 203,268/x
  3. Step 3: Cross multiply
    126,168x = 203,268 × 203,268
  4. Step 4: Simplify right side
    126,168x = 41,317,879,824
  5. Step 5: Solve for x
    x = 41,317,879,824/126,168
  6. Step 6: Final answer
    x = 327,483.04

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.