Finding the Third Proportional to 11,686 and 27,940
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Solution
The third proportional to 11,686 and 27,940 is: 66,801.61
Step by Step Solution
- Step 1: Write the proportion equation
11,686 : 27,940 = 27,940 : x - Step 2: Convert to fraction form
11,686/27,940 = 27,940/x - Step 3: Cross multiply
11,686x = 27,940 × 27,940 - Step 4: Simplify right side
11,686x = 780,643,600 - Step 5: Solve for x
x = 780,643,600/11,686 - Step 6: Final answer
x = 66,801.61
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Why These Related Problems?
These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.