Finding the Third Proportional to 1,808 and 3,715
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Solution
The third proportional to 1,808 and 3,715 is: 7,633.42
Step by Step Solution
- Step 1: Write the proportion equation
1,808 : 3,715 = 3,715 : x - Step 2: Convert to fraction form
1,808/3,715 = 3,715/x - Step 3: Cross multiply
1,808x = 3,715 × 3,715 - Step 4: Simplify right side
1,808x = 13,801,225 - Step 5: Solve for x
x = 13,801,225/1,808 - Step 6: Final answer
x = 7,633.42
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.