Finding the Third Proportional to 3,286.20 and 7,119.14
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Solution
The third proportional to 3,286.20 and 7,119.14 is: 15,422.75
Step by Step Solution
- Step 1: Write the proportion equation
3,286.20 : 7,119.14 = 7,119.14 : x - Step 2: Convert to fraction form
3,286.20/7,119.14 = 7,119.14/x - Step 3: Cross multiply
3,286.20x = 7,119.14 × 7,119.14 - Step 4: Simplify right side
3,286.20x = 50,682,163.24 - Step 5: Solve for x
x = 50,682,163.24/3,286.20 - Step 6: Final answer
x = 15,422.75
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.