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Finding the Third Proportional to 558,931 and 1,212,383

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Solution

The third proportional to 558,931 and 1,212,383 is: 2,629,792.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,931 : 1,212,383 = 1,212,383 : x
  2. Step 2: Convert to fraction form
    558,931/1,212,383 = 1,212,383/x
  3. Step 3: Cross multiply
    558,931x = 1,212,383 × 1,212,383
  4. Step 4: Simplify right side
    558,931x = 1,469,872,538,689
  5. Step 5: Solve for x
    x = 1,469,872,538,689/558,931
  6. Step 6: Final answer
    x = 2,629,792.48

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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.