Finding the Third Proportional to 3,996 and 6,660
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Solution
The third proportional to 3,996 and 6,660 is: 11,100
Step by Step Solution
- Step 1: Write the proportion equation
3,996 : 6,660 = 6,660 : x - Step 2: Convert to fraction form
3,996/6,660 = 6,660/x - Step 3: Cross multiply
3,996x = 6,660 × 6,660 - Step 4: Simplify right side
3,996x = 44,355,600 - Step 5: Solve for x
x = 44,355,600/3,996 - Step 6: Final answer
x = 11,100
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Why These Related Problems?
These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.