Finding the Third Proportional to 2,174 and 4,660
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Solution
The third proportional to 2,174 and 4,660 is: 9,988.78
Step by Step Solution
- Step 1: Write the proportion equation
2,174 : 4,660 = 4,660 : x - Step 2: Convert to fraction form
2,174/4,660 = 4,660/x - Step 3: Cross multiply
2,174x = 4,660 × 4,660 - Step 4: Simplify right side
2,174x = 21,715,600 - Step 5: Solve for x
x = 21,715,600/2,174 - Step 6: Final answer
x = 9,988.78
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.