Finding the Third Proportional to 325 and 356.50
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Solution
The third proportional to 325 and 356.50 is: 391.05
Step by Step Solution
- Step 1: Write the proportion equation
325 : 356.50 = 356.50 : x - Step 2: Convert to fraction form
325/356.50 = 356.50/x - Step 3: Cross multiply
325x = 356.50 × 356.50 - Step 4: Simplify right side
325x = 127,092.25 - Step 5: Solve for x
x = 127,092.25/325 - Step 6: Final answer
x = 391.05
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These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.