Finding the Third Proportional to 2,190 and 3,296
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Solution
The third proportional to 2,190 and 3,296 is: 4,960.56
Step by Step Solution
- Step 1: Write the proportion equation
2,190 : 3,296 = 3,296 : x - Step 2: Convert to fraction form
2,190/3,296 = 3,296/x - Step 3: Cross multiply
2,190x = 3,296 × 3,296 - Step 4: Simplify right side
2,190x = 10,863,616 - Step 5: Solve for x
x = 10,863,616/2,190 - Step 6: Final answer
x = 4,960.56
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.