Finding the Third Proportional to 311 and 500.50
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Solution
The third proportional to 311 and 500.50 is: 805.47
Step by Step Solution
- Step 1: Write the proportion equation
311 : 500.50 = 500.50 : x - Step 2: Convert to fraction form
311/500.50 = 500.50/x - Step 3: Cross multiply
311x = 500.50 × 500.50 - Step 4: Simplify right side
311x = 250,500.25 - Step 5: Solve for x
x = 250,500.25/311 - Step 6: Final answer
x = 805.47
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Why These Related Problems?
These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.