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Finding the Third Proportional to 17,430.75 and 20,022.75

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Solution

The third proportional to 17,430.75 and 20,022.75 is: 23,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,430.75 : 20,022.75 = 20,022.75 : x
  2. Step 2: Convert to fraction form
    17,430.75/20,022.75 = 20,022.75/x
  3. Step 3: Cross multiply
    17,430.75x = 20,022.75 × 20,022.75
  4. Step 4: Simplify right side
    17,430.75x = 400,910,517.56
  5. Step 5: Solve for x
    x = 400,910,517.56/17,430.75
  6. Step 6: Final answer
    x = 23,000.19

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These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.