Finding the Third Proportional to 3,690 and 8,073
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Solution
The third proportional to 3,690 and 8,073 is: 17,662.15
Step by Step Solution
- Step 1: Write the proportion equation
3,690 : 8,073 = 8,073 : x - Step 2: Convert to fraction form
3,690/8,073 = 8,073/x - Step 3: Cross multiply
3,690x = 8,073 × 8,073 - Step 4: Simplify right side
3,690x = 65,173,329 - Step 5: Solve for x
x = 65,173,329/3,690 - Step 6: Final answer
x = 17,662.15
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.