Finding the Third Proportional to 1,082 and 2,380
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Solution
The third proportional to 1,082 and 2,380 is: 5,235.12
Step by Step Solution
- Step 1: Write the proportion equation
1,082 : 2,380 = 2,380 : x - Step 2: Convert to fraction form
1,082/2,380 = 2,380/x - Step 3: Cross multiply
1,082x = 2,380 × 2,380 - Step 4: Simplify right side
1,082x = 5,664,400 - Step 5: Solve for x
x = 5,664,400/1,082 - Step 6: Final answer
x = 5,235.12
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.