Finding the Third Proportional to 281 and 305
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Solution
The third proportional to 281 and 305 is: 331.05
Step by Step Solution
- Step 1: Write the proportion equation
281 : 305 = 305 : x - Step 2: Convert to fraction form
281/305 = 305/x - Step 3: Cross multiply
281x = 305 × 305 - Step 4: Simplify right side
281x = 93,025 - Step 5: Solve for x
x = 93,025/281 - Step 6: Final answer
x = 331.05
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These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.