Finding the Third Proportional to 8,331.75 and 11,778.75
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Solution
The third proportional to 8,331.75 and 11,778.75 is: 16,651.84
Step by Step Solution
- Step 1: Write the proportion equation
8,331.75 : 11,778.75 = 11,778.75 : x - Step 2: Convert to fraction form
8,331.75/11,778.75 = 11,778.75/x - Step 3: Cross multiply
8,331.75x = 11,778.75 × 11,778.75 - Step 4: Simplify right side
8,331.75x = 138,738,951.56 - Step 5: Solve for x
x = 138,738,951.56/8,331.75 - Step 6: Final answer
x = 16,651.84
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.