Finding the Third Proportional to 4,292 and 5,715
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Solution
The third proportional to 4,292 and 5,715 is: 7,609.79
Step by Step Solution
- Step 1: Write the proportion equation
4,292 : 5,715 = 5,715 : x - Step 2: Convert to fraction form
4,292/5,715 = 5,715/x - Step 3: Cross multiply
4,292x = 5,715 × 5,715 - Step 4: Simplify right side
4,292x = 32,661,225 - Step 5: Solve for x
x = 32,661,225/4,292 - Step 6: Final answer
x = 7,609.79
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Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.