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Finding the Third Proportional to 122,253.75 and 259,227

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Solution

The third proportional to 122,253.75 and 259,227 is: 549,665.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,253.75 : 259,227 = 259,227 : x
  2. Step 2: Convert to fraction form
    122,253.75/259,227 = 259,227/x
  3. Step 3: Cross multiply
    122,253.75x = 259,227 × 259,227
  4. Step 4: Simplify right side
    122,253.75x = 67,198,637,529
  5. Step 5: Solve for x
    x = 67,198,637,529/122,253.75
  6. Step 6: Final answer
    x = 549,665.25

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.