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Finding the Third Proportional to 108,379.50 and 143,844.75

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Solution

The third proportional to 108,379.50 and 143,844.75 is: 190,915.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,379.50 : 143,844.75 = 143,844.75 : x
  2. Step 2: Convert to fraction form
    108,379.50/143,844.75 = 143,844.75/x
  3. Step 3: Cross multiply
    108,379.50x = 143,844.75 × 143,844.75
  4. Step 4: Simplify right side
    108,379.50x = 20,691,312,102.56
  5. Step 5: Solve for x
    x = 20,691,312,102.56/108,379.50
  6. Step 6: Final answer
    x = 190,915.37

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.