Finding the Third Proportional to 11,940 and 14,460
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Solution
The third proportional to 11,940 and 14,460 is: 17,511.86
Step by Step Solution
- Step 1: Write the proportion equation
11,940 : 14,460 = 14,460 : x - Step 2: Convert to fraction form
11,940/14,460 = 14,460/x - Step 3: Cross multiply
11,940x = 14,460 × 14,460 - Step 4: Simplify right side
11,940x = 209,091,600 - Step 5: Solve for x
x = 209,091,600/11,940 - Step 6: Final answer
x = 17,511.86
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Why These Related Problems?
These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.