Finding the Third Proportional to 8,472 and 12,222
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Solution
The third proportional to 8,472 and 12,222 is: 17,631.88
Step by Step Solution
- Step 1: Write the proportion equation
8,472 : 12,222 = 12,222 : x - Step 2: Convert to fraction form
8,472/12,222 = 12,222/x - Step 3: Cross multiply
8,472x = 12,222 × 12,222 - Step 4: Simplify right side
8,472x = 149,377,284 - Step 5: Solve for x
x = 149,377,284/8,472 - Step 6: Final answer
x = 17,631.88
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Why These Related Problems?
These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.