Finding the Third Proportional to 21,520 and 32,912
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Solution
The third proportional to 21,520 and 32,912 is: 50,334.56
Step by Step Solution
- Step 1: Write the proportion equation
21,520 : 32,912 = 32,912 : x - Step 2: Convert to fraction form
21,520/32,912 = 32,912/x - Step 3: Cross multiply
21,520x = 32,912 × 32,912 - Step 4: Simplify right side
21,520x = 1,083,199,744 - Step 5: Solve for x
x = 1,083,199,744/21,520 - Step 6: Final answer
x = 50,334.56
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.