Finding the Third Proportional to 18,042.75 and 29,775.09
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Solution
The third proportional to 18,042.75 and 29,775.09 is: 49,136.42
Step by Step Solution
- Step 1: Write the proportion equation
18,042.75 : 29,775.09 = 29,775.09 : x - Step 2: Convert to fraction form
18,042.75/29,775.09 = 29,775.09/x - Step 3: Cross multiply
18,042.75x = 29,775.09 × 29,775.09 - Step 4: Simplify right side
18,042.75x = 886,556,207.82 - Step 5: Solve for x
x = 886,556,207.82/18,042.75 - Step 6: Final answer
x = 49,136.42
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Why These Related Problems?
These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.