Finding the Third Proportional to 2,760 and 7,392
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Solution
The third proportional to 2,760 and 7,392 is: 19,797.70
Step by Step Solution
- Step 1: Write the proportion equation
2,760 : 7,392 = 7,392 : x - Step 2: Convert to fraction form
2,760/7,392 = 7,392/x - Step 3: Cross multiply
2,760x = 7,392 × 7,392 - Step 4: Simplify right side
2,760x = 54,641,664 - Step 5: Solve for x
x = 54,641,664/2,760 - Step 6: Final answer
x = 19,797.70
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Why These Related Problems?
These problems maintain the same ratio (2.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.