Finding the Third Proportional to 18,829.88 and 40,161.75
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Solution
The third proportional to 18,829.88 and 40,161.75 is: 85,659.95
Step by Step Solution
- Step 1: Write the proportion equation
18,829.88 : 40,161.75 = 40,161.75 : x - Step 2: Convert to fraction form
18,829.88/40,161.75 = 40,161.75/x - Step 3: Cross multiply
18,829.88x = 40,161.75 × 40,161.75 - Step 4: Simplify right side
18,829.88x = 1,612,966,163.06 - Step 5: Solve for x
x = 1,612,966,163.06/18,829.88 - Step 6: Final answer
x = 85,659.95
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.