Finding the Third Proportional to 2,715 and 5,635
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Solution
The third proportional to 2,715 and 5,635 is: 11,695.48
Step by Step Solution
- Step 1: Write the proportion equation
2,715 : 5,635 = 5,635 : x - Step 2: Convert to fraction form
2,715/5,635 = 5,635/x - Step 3: Cross multiply
2,715x = 5,635 × 5,635 - Step 4: Simplify right side
2,715x = 31,753,225 - Step 5: Solve for x
x = 31,753,225/2,715 - Step 6: Final answer
x = 11,695.48
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.