Finding the Third Proportional to 192.75 and 523.50
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Solution
The third proportional to 192.75 and 523.50 is: 1,421.80
Step by Step Solution
- Step 1: Write the proportion equation
192.75 : 523.50 = 523.50 : x - Step 2: Convert to fraction form
192.75/523.50 = 523.50/x - Step 3: Cross multiply
192.75x = 523.50 × 523.50 - Step 4: Simplify right side
192.75x = 274,052.25 - Step 5: Solve for x
x = 274,052.25/192.75 - Step 6: Final answer
x = 1,421.80
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Why These Related Problems?
These problems maintain the same ratio (2.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.