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Finding the Third Proportional to 57,153.75 and 122,189.25

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Solution

The third proportional to 57,153.75 and 122,189.25 is: 261,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,153.75 : 122,189.25 = 122,189.25 : x
  2. Step 2: Convert to fraction form
    57,153.75/122,189.25 = 122,189.25/x
  3. Step 3: Cross multiply
    57,153.75x = 122,189.25 × 122,189.25
  4. Step 4: Simplify right side
    57,153.75x = 14,930,212,815.56
  5. Step 5: Solve for x
    x = 14,930,212,815.56/57,153.75
  6. Step 6: Final answer
    x = 261,228.93

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.