Finding the Third Proportional to 20,962 and 32,720
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Solution
The third proportional to 20,962 and 32,720 is: 51,073.29
Step by Step Solution
- Step 1: Write the proportion equation
20,962 : 32,720 = 32,720 : x - Step 2: Convert to fraction form
20,962/32,720 = 32,720/x - Step 3: Cross multiply
20,962x = 32,720 × 32,720 - Step 4: Simplify right side
20,962x = 1,070,598,400 - Step 5: Solve for x
x = 1,070,598,400/20,962 - Step 6: Final answer
x = 51,073.29
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.