Finding the Third Proportional to 4,000 and 6,600
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Solution
The third proportional to 4,000 and 6,600 is: 10,890
Step by Step Solution
- Step 1: Write the proportion equation
4,000 : 6,600 = 6,600 : x - Step 2: Convert to fraction form
4,000/6,600 = 6,600/x - Step 3: Cross multiply
4,000x = 6,600 × 6,600 - Step 4: Simplify right side
4,000x = 43,560,000 - Step 5: Solve for x
x = 43,560,000/4,000 - Step 6: Final answer
x = 10,890
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Why These Related Problems?
These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.