Finding the Third Proportional to 8,571.23 and 11,376.28
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Solution
The third proportional to 8,571.23 and 11,376.28 is: 15,099.32
Step by Step Solution
- Step 1: Write the proportion equation
8,571.23 : 11,376.28 = 11,376.28 : x - Step 2: Convert to fraction form
8,571.23/11,376.28 = 11,376.28/x - Step 3: Cross multiply
8,571.23x = 11,376.28 × 11,376.28 - Step 4: Simplify right side
8,571.23x = 129,419,775.08 - Step 5: Solve for x
x = 129,419,775.08/8,571.23 - Step 6: Final answer
x = 15,099.32
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Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.