Finding the Third Proportional to 631 and 682
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Solution
The third proportional to 631 and 682 is: 737.12
Step by Step Solution
- Step 1: Write the proportion equation
631 : 682 = 682 : x - Step 2: Convert to fraction form
631/682 = 682/x - Step 3: Cross multiply
631x = 682 × 682 - Step 4: Simplify right side
631x = 465,124 - Step 5: Solve for x
x = 465,124/631 - Step 6: Final answer
x = 737.12
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Why These Related Problems?
These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.