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Finding the Third Proportional to 112,638 and 200,232

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Solution

The third proportional to 112,638 and 200,232 is: 355,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,638 : 200,232 = 200,232 : x
  2. Step 2: Convert to fraction form
    112,638/200,232 = 200,232/x
  3. Step 3: Cross multiply
    112,638x = 200,232 × 200,232
  4. Step 4: Simplify right side
    112,638x = 40,092,853,824
  5. Step 5: Solve for x
    x = 40,092,853,824/112,638
  6. Step 6: Final answer
    x = 355,944.30

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.