Finding the Third Proportional to 19,812 and 30,082
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Solution
The third proportional to 19,812 and 30,082 is: 45,675.69
Step by Step Solution
- Step 1: Write the proportion equation
19,812 : 30,082 = 30,082 : x - Step 2: Convert to fraction form
19,812/30,082 = 30,082/x - Step 3: Cross multiply
19,812x = 30,082 × 30,082 - Step 4: Simplify right side
19,812x = 904,926,724 - Step 5: Solve for x
x = 904,926,724/19,812 - Step 6: Final answer
x = 45,675.69
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Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.