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Finding the Third Proportional to 61,183.50 and 125,661

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Solution

The third proportional to 61,183.50 and 125,661 is: 258,087.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,183.50 : 125,661 = 125,661 : x
  2. Step 2: Convert to fraction form
    61,183.50/125,661 = 125,661/x
  3. Step 3: Cross multiply
    61,183.50x = 125,661 × 125,661
  4. Step 4: Simplify right side
    61,183.50x = 15,790,686,921
  5. Step 5: Solve for x
    x = 15,790,686,921/61,183.50
  6. Step 6: Final answer
    x = 258,087.34

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.