Finding the Third Proportional to 590 and 631
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Solution
The third proportional to 590 and 631 is: 674.85
Step by Step Solution
- Step 1: Write the proportion equation
590 : 631 = 631 : x - Step 2: Convert to fraction form
590/631 = 631/x - Step 3: Cross multiply
590x = 631 × 631 - Step 4: Simplify right side
590x = 398,161 - Step 5: Solve for x
x = 398,161/590 - Step 6: Final answer
x = 674.85
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Why These Related Problems?
These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.