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Finding the Third Proportional to 115,190.50 and 180,310.13

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Solution

The third proportional to 115,190.50 and 180,310.13 is: 282,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,190.50 : 180,310.13 = 180,310.13 : x
  2. Step 2: Convert to fraction form
    115,190.50/180,310.13 = 180,310.13/x
  3. Step 3: Cross multiply
    115,190.50x = 180,310.13 × 180,310.13
  4. Step 4: Simplify right side
    115,190.50x = 32,511,741,177.52
  5. Step 5: Solve for x
    x = 32,511,741,177.52/115,190.50
  6. Step 6: Final answer
    x = 282,243.25

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.