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Finding the Third Proportional to 558,934 and 1,212,390

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Solution

The third proportional to 558,934 and 1,212,390 is: 2,629,808.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,934 : 1,212,390 = 1,212,390 : x
  2. Step 2: Convert to fraction form
    558,934/1,212,390 = 1,212,390/x
  3. Step 3: Cross multiply
    558,934x = 1,212,390 × 1,212,390
  4. Step 4: Simplify right side
    558,934x = 1,469,889,512,100
  5. Step 5: Solve for x
    x = 1,469,889,512,100/558,934
  6. Step 6: Final answer
    x = 2,629,808.73

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.