Finding the Third Proportional to 209 and 360
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Solution
The third proportional to 209 and 360 is: 620.10
Step by Step Solution
- Step 1: Write the proportion equation
209 : 360 = 360 : x - Step 2: Convert to fraction form
209/360 = 360/x - Step 3: Cross multiply
209x = 360 × 360 - Step 4: Simplify right side
209x = 129,600 - Step 5: Solve for x
x = 129,600/209 - Step 6: Final answer
x = 620.10
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These problems maintain the same ratio (1.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.