Finding the Third Proportional to 540 and 818.50
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Solution
The third proportional to 540 and 818.50 is: 1,240.63
Step by Step Solution
- Step 1: Write the proportion equation
540 : 818.50 = 818.50 : x - Step 2: Convert to fraction form
540/818.50 = 818.50/x - Step 3: Cross multiply
540x = 818.50 × 818.50 - Step 4: Simplify right side
540x = 669,942.25 - Step 5: Solve for x
x = 669,942.25/540 - Step 6: Final answer
x = 1,240.63
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Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.