Finding the Third Proportional to 2,847.75 and 5,811.75
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Solution
The third proportional to 2,847.75 and 5,811.75 is: 11,860.75
Step by Step Solution
- Step 1: Write the proportion equation
2,847.75 : 5,811.75 = 5,811.75 : x - Step 2: Convert to fraction form
2,847.75/5,811.75 = 5,811.75/x - Step 3: Cross multiply
2,847.75x = 5,811.75 × 5,811.75 - Step 4: Simplify right side
2,847.75x = 33,776,438.06 - Step 5: Solve for x
x = 33,776,438.06/2,847.75 - Step 6: Final answer
x = 11,860.75
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Why These Related Problems?
These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.