Finding the Third Proportional to 2,724.75 and 4,119.75
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Solution
The third proportional to 2,724.75 and 4,119.75 is: 6,228.95
Step by Step Solution
- Step 1: Write the proportion equation
2,724.75 : 4,119.75 = 4,119.75 : x - Step 2: Convert to fraction form
2,724.75/4,119.75 = 4,119.75/x - Step 3: Cross multiply
2,724.75x = 4,119.75 × 4,119.75 - Step 4: Simplify right side
2,724.75x = 16,972,340.06 - Step 5: Solve for x
x = 16,972,340.06/2,724.75 - Step 6: Final answer
x = 6,228.95
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.