Finding the Third Proportional to 912.75 and 1,650
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Solution
The third proportional to 912.75 and 1,650 is: 2,982.74
Step by Step Solution
- Step 1: Write the proportion equation
912.75 : 1,650 = 1,650 : x - Step 2: Convert to fraction form
912.75/1,650 = 1,650/x - Step 3: Cross multiply
912.75x = 1,650 × 1,650 - Step 4: Simplify right side
912.75x = 2,722,500 - Step 5: Solve for x
x = 2,722,500/912.75 - Step 6: Final answer
x = 2,982.74
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Why These Related Problems?
These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.