Finding the Third Proportional to 7,942 and 17,450
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Solution
The third proportional to 7,942 and 17,450 is: 38,340.78
Step by Step Solution
- Step 1: Write the proportion equation
7,942 : 17,450 = 17,450 : x - Step 2: Convert to fraction form
7,942/17,450 = 17,450/x - Step 3: Cross multiply
7,942x = 17,450 × 17,450 - Step 4: Simplify right side
7,942x = 304,502,500 - Step 5: Solve for x
x = 304,502,500/7,942 - Step 6: Final answer
x = 38,340.78
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.