Finding the Third Proportional to 212 and 240
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Solution
The third proportional to 212 and 240 is: 271.70
Step by Step Solution
- Step 1: Write the proportion equation
212 : 240 = 240 : x - Step 2: Convert to fraction form
212/240 = 240/x - Step 3: Cross multiply
212x = 240 × 240 - Step 4: Simplify right side
212x = 57,600 - Step 5: Solve for x
x = 57,600/212 - Step 6: Final answer
x = 271.70
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These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.