Finding the Third Proportional to 361 and 855
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Solution
The third proportional to 361 and 855 is: 2,025
Step by Step Solution
- Step 1: Write the proportion equation
361 : 855 = 855 : x - Step 2: Convert to fraction form
361/855 = 855/x - Step 3: Cross multiply
361x = 855 × 855 - Step 4: Simplify right side
361x = 731,025 - Step 5: Solve for x
x = 731,025/361 - Step 6: Final answer
x = 2,025
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Why These Related Problems?
These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.