Finding the Third Proportional to 207 and 415.50
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Solution
The third proportional to 207 and 415.50 is: 834.01
Step by Step Solution
- Step 1: Write the proportion equation
207 : 415.50 = 415.50 : x - Step 2: Convert to fraction form
207/415.50 = 415.50/x - Step 3: Cross multiply
207x = 415.50 × 415.50 - Step 4: Simplify right side
207x = 172,640.25 - Step 5: Solve for x
x = 172,640.25/207 - Step 6: Final answer
x = 834.01
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Why These Related Problems?
These problems maintain the same ratio (2.01) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.