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Finding the Third Proportional to 558,928 and 1,212,377

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Solution

The third proportional to 558,928 and 1,212,377 is: 2,629,780.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,928 : 1,212,377 = 1,212,377 : x
  2. Step 2: Convert to fraction form
    558,928/1,212,377 = 1,212,377/x
  3. Step 3: Cross multiply
    558,928x = 1,212,377 × 1,212,377
  4. Step 4: Simplify right side
    558,928x = 1,469,857,990,129
  5. Step 5: Solve for x
    x = 1,469,857,990,129/558,928
  6. Step 6: Final answer
    x = 2,629,780.56

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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.