Finding the Third Proportional to 38,334.50 and 81,225
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Solution
The third proportional to 38,334.50 and 81,225 is: 172,103.47
Step by Step Solution
- Step 1: Write the proportion equation
38,334.50 : 81,225 = 81,225 : x - Step 2: Convert to fraction form
38,334.50/81,225 = 81,225/x - Step 3: Cross multiply
38,334.50x = 81,225 × 81,225 - Step 4: Simplify right side
38,334.50x = 6,597,500,625 - Step 5: Solve for x
x = 6,597,500,625/38,334.50 - Step 6: Final answer
x = 172,103.47
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.