Finding the Third Proportional to 2,016 and 4,409
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Solution
The third proportional to 2,016 and 4,409 is: 9,642.50
Step by Step Solution
- Step 1: Write the proportion equation
2,016 : 4,409 = 4,409 : x - Step 2: Convert to fraction form
2,016/4,409 = 4,409/x - Step 3: Cross multiply
2,016x = 4,409 × 4,409 - Step 4: Simplify right side
2,016x = 19,439,281 - Step 5: Solve for x
x = 19,439,281/2,016 - Step 6: Final answer
x = 9,642.50
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.