Finding the Third Proportional to 1,442 and 2,163
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Solution
The third proportional to 1,442 and 2,163 is: 3,244.50
Step by Step Solution
- Step 1: Write the proportion equation
1,442 : 2,163 = 2,163 : x - Step 2: Convert to fraction form
1,442/2,163 = 2,163/x - Step 3: Cross multiply
1,442x = 2,163 × 2,163 - Step 4: Simplify right side
1,442x = 4,678,569 - Step 5: Solve for x
x = 4,678,569/1,442 - Step 6: Final answer
x = 3,244.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.