Finding the Third Proportional to 205 and 261
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Solution
The third proportional to 205 and 261 is: 332.30
Step by Step Solution
- Step 1: Write the proportion equation
205 : 261 = 261 : x - Step 2: Convert to fraction form
205/261 = 261/x - Step 3: Cross multiply
205x = 261 × 261 - Step 4: Simplify right side
205x = 68,121 - Step 5: Solve for x
x = 68,121/205 - Step 6: Final answer
x = 332.30
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Why These Related Problems?
These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.