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Finding the Third Proportional to 356,890 and 792,512

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Solution

The third proportional to 356,890 and 792,512 is: 1,759,856.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,890 : 792,512 = 792,512 : x
  2. Step 2: Convert to fraction form
    356,890/792,512 = 792,512/x
  3. Step 3: Cross multiply
    356,890x = 792,512 × 792,512
  4. Step 4: Simplify right side
    356,890x = 628,075,270,144
  5. Step 5: Solve for x
    x = 628,075,270,144/356,890
  6. Step 6: Final answer
    x = 1,759,856.73

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.