Finding the Third Proportional to 7,519 and 10,687
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Solution
The third proportional to 7,519 and 10,687 is: 15,189.78
Step by Step Solution
- Step 1: Write the proportion equation
7,519 : 10,687 = 10,687 : x - Step 2: Convert to fraction form
7,519/10,687 = 10,687/x - Step 3: Cross multiply
7,519x = 10,687 × 10,687 - Step 4: Simplify right side
7,519x = 114,211,969 - Step 5: Solve for x
x = 114,211,969/7,519 - Step 6: Final answer
x = 15,189.78
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Why These Related Problems?
These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.