Finding the Third Proportional to 3,439.13 and 8,121.09
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Solution
The third proportional to 3,439.13 and 8,121.09 is: 19,177.02
Step by Step Solution
- Step 1: Write the proportion equation
3,439.13 : 8,121.09 = 8,121.09 : x - Step 2: Convert to fraction form
3,439.13/8,121.09 = 8,121.09/x - Step 3: Cross multiply
3,439.13x = 8,121.09 × 8,121.09 - Step 4: Simplify right side
3,439.13x = 65,952,163.70 - Step 5: Solve for x
x = 65,952,163.70/3,439.13 - Step 6: Final answer
x = 19,177.02
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Why These Related Problems?
These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.