Finding the Third Proportional to 21,760 and 33,632
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Solution
The third proportional to 21,760 and 33,632 is: 51,981.22
Step by Step Solution
- Step 1: Write the proportion equation
21,760 : 33,632 = 33,632 : x - Step 2: Convert to fraction form
21,760/33,632 = 33,632/x - Step 3: Cross multiply
21,760x = 33,632 × 33,632 - Step 4: Simplify right side
21,760x = 1,131,111,424 - Step 5: Solve for x
x = 1,131,111,424/21,760 - Step 6: Final answer
x = 51,981.22
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.