Finding the Third Proportional to 21,992 and 31,336
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Solution
The third proportional to 21,992 and 31,336 is: 44,650.10
Step by Step Solution
- Step 1: Write the proportion equation
21,992 : 31,336 = 31,336 : x - Step 2: Convert to fraction form
21,992/31,336 = 31,336/x - Step 3: Cross multiply
21,992x = 31,336 × 31,336 - Step 4: Simplify right side
21,992x = 981,944,896 - Step 5: Solve for x
x = 981,944,896/21,992 - Step 6: Final answer
x = 44,650.10
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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.