Finding the Third Proportional to 20,668 and 30,082
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Solution
The third proportional to 20,668 and 30,082 is: 43,783.95
Step by Step Solution
- Step 1: Write the proportion equation
20,668 : 30,082 = 30,082 : x - Step 2: Convert to fraction form
20,668/30,082 = 30,082/x - Step 3: Cross multiply
20,668x = 30,082 × 30,082 - Step 4: Simplify right side
20,668x = 904,926,724 - Step 5: Solve for x
x = 904,926,724/20,668 - Step 6: Final answer
x = 43,783.95
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.