Finding the Third Proportional to 1,819.97 and 3,855.09
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Solution
The third proportional to 1,819.97 and 3,855.09 is: 8,165.94
Step by Step Solution
- Step 1: Write the proportion equation
1,819.97 : 3,855.09 = 3,855.09 : x - Step 2: Convert to fraction form
1,819.97/3,855.09 = 3,855.09/x - Step 3: Cross multiply
1,819.97x = 3,855.09 × 3,855.09 - Step 4: Simplify right side
1,819.97x = 14,861,747.82 - Step 5: Solve for x
x = 14,861,747.82/1,819.97 - Step 6: Final answer
x = 8,165.94
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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.