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Finding the Third Proportional to 122,372 and 270,949

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Solution

The third proportional to 122,372 and 270,949 is: 599,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,372 : 270,949 = 270,949 : x
  2. Step 2: Convert to fraction form
    122,372/270,949 = 270,949/x
  3. Step 3: Cross multiply
    122,372x = 270,949 × 270,949
  4. Step 4: Simplify right side
    122,372x = 73,413,360,601
  5. Step 5: Solve for x
    x = 73,413,360,601/122,372
  6. Step 6: Final answer
    x = 599,919.59

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.