Finding the Third Proportional to 7,791.19 and 11,145.09
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Solution
The third proportional to 7,791.19 and 11,145.09 is: 15,942.77
Step by Step Solution
- Step 1: Write the proportion equation
7,791.19 : 11,145.09 = 11,145.09 : x - Step 2: Convert to fraction form
7,791.19/11,145.09 = 11,145.09/x - Step 3: Cross multiply
7,791.19x = 11,145.09 × 11,145.09 - Step 4: Simplify right side
7,791.19x = 124,213,114.70 - Step 5: Solve for x
x = 124,213,114.70/7,791.19 - Step 6: Final answer
x = 15,942.77
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.