Finding the Third Proportional to 2,439 and 5,118
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Solution
The third proportional to 2,439 and 5,118 is: 10,739.62
Step by Step Solution
- Step 1: Write the proportion equation
2,439 : 5,118 = 5,118 : x - Step 2: Convert to fraction form
2,439/5,118 = 5,118/x - Step 3: Cross multiply
2,439x = 5,118 × 5,118 - Step 4: Simplify right side
2,439x = 26,193,924 - Step 5: Solve for x
x = 26,193,924/2,439 - Step 6: Final answer
x = 10,739.62
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Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.