Finding the Third Proportional to 3,927 and 4,455
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Solution
The third proportional to 3,927 and 4,455 is: 5,053.99
Step by Step Solution
- Step 1: Write the proportion equation
3,927 : 4,455 = 4,455 : x - Step 2: Convert to fraction form
3,927/4,455 = 4,455/x - Step 3: Cross multiply
3,927x = 4,455 × 4,455 - Step 4: Simplify right side
3,927x = 19,847,025 - Step 5: Solve for x
x = 19,847,025/3,927 - Step 6: Final answer
x = 5,053.99
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Why These Related Problems?
These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.