Finding the Third Proportional to 317 and 350.50
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Solution
The third proportional to 317 and 350.50 is: 387.54
Step by Step Solution
- Step 1: Write the proportion equation
317 : 350.50 = 350.50 : x - Step 2: Convert to fraction form
317/350.50 = 350.50/x - Step 3: Cross multiply
317x = 350.50 × 350.50 - Step 4: Simplify right side
317x = 122,850.25 - Step 5: Solve for x
x = 122,850.25/317 - Step 6: Final answer
x = 387.54
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These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.