Finding the Third Proportional to 247.50 and 461
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Solution
The third proportional to 247.50 and 461 is: 858.67
Step by Step Solution
- Step 1: Write the proportion equation
247.50 : 461 = 461 : x - Step 2: Convert to fraction form
247.50/461 = 461/x - Step 3: Cross multiply
247.50x = 461 × 461 - Step 4: Simplify right side
247.50x = 212,521 - Step 5: Solve for x
x = 212,521/247.50 - Step 6: Final answer
x = 858.67
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Why These Related Problems?
These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.