Finding the Third Proportional to 263 and 631
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Solution
The third proportional to 263 and 631 is: 1,513.92
Step by Step Solution
- Step 1: Write the proportion equation
263 : 631 = 631 : x - Step 2: Convert to fraction form
263/631 = 631/x - Step 3: Cross multiply
263x = 631 × 631 - Step 4: Simplify right side
263x = 398,161 - Step 5: Solve for x
x = 398,161/263 - Step 6: Final answer
x = 1,513.92
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Why These Related Problems?
These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.