Finding the Third Proportional to 281 and 540
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Solution
The third proportional to 281 and 540 is: 1,037.72
Step by Step Solution
- Step 1: Write the proportion equation
281 : 540 = 540 : x - Step 2: Convert to fraction form
281/540 = 540/x - Step 3: Cross multiply
281x = 540 × 540 - Step 4: Simplify right side
281x = 291,600 - Step 5: Solve for x
x = 291,600/281 - Step 6: Final answer
x = 1,037.72
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Why These Related Problems?
These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.