Finding the Third Proportional to 243.75 and 354
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Solution
The third proportional to 243.75 and 354 is: 514.12
Step by Step Solution
- Step 1: Write the proportion equation
243.75 : 354 = 354 : x - Step 2: Convert to fraction form
243.75/354 = 354/x - Step 3: Cross multiply
243.75x = 354 × 354 - Step 4: Simplify right side
243.75x = 125,316 - Step 5: Solve for x
x = 125,316/243.75 - Step 6: Final answer
x = 514.12
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These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.