Finding the Third Proportional to 998 and 2,163
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Solution
The third proportional to 998 and 2,163 is: 4,687.94
Step by Step Solution
- Step 1: Write the proportion equation
998 : 2,163 = 2,163 : x - Step 2: Convert to fraction form
998/2,163 = 2,163/x - Step 3: Cross multiply
998x = 2,163 × 2,163 - Step 4: Simplify right side
998x = 4,678,569 - Step 5: Solve for x
x = 4,678,569/998 - Step 6: Final answer
x = 4,687.94
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.