Finding the Third Proportional to 1,928 and 4,163
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Solution
The third proportional to 1,928 and 4,163 is: 8,988.88
Step by Step Solution
- Step 1: Write the proportion equation
1,928 : 4,163 = 4,163 : x - Step 2: Convert to fraction form
1,928/4,163 = 4,163/x - Step 3: Cross multiply
1,928x = 4,163 × 4,163 - Step 4: Simplify right side
1,928x = 17,330,569 - Step 5: Solve for x
x = 17,330,569/1,928 - Step 6: Final answer
x = 8,988.88
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.