Finding the Third Proportional to 11,988.44 and 18,149.22
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Solution
The third proportional to 11,988.44 and 18,149.22 is: 27,475.99
Step by Step Solution
- Step 1: Write the proportion equation
11,988.44 : 18,149.22 = 18,149.22 : x - Step 2: Convert to fraction form
11,988.44/18,149.22 = 18,149.22/x - Step 3: Cross multiply
11,988.44x = 18,149.22 × 18,149.22 - Step 4: Simplify right side
11,988.44x = 329,394,141.24 - Step 5: Solve for x
x = 329,394,141.24/11,988.44 - Step 6: Final answer
x = 27,475.99
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.