Finding the Third Proportional to 7,884.84 and 18,424.97
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Solution
The third proportional to 7,884.84 and 18,424.97 is: 43,054.69
Step by Step Solution
- Step 1: Write the proportion equation
7,884.84 : 18,424.97 = 18,424.97 : x - Step 2: Convert to fraction form
7,884.84/18,424.97 = 18,424.97/x - Step 3: Cross multiply
7,884.84x = 18,424.97 × 18,424.97 - Step 4: Simplify right side
7,884.84x = 339,479,473.44 - Step 5: Solve for x
x = 339,479,473.44/7,884.84 - Step 6: Final answer
x = 43,054.69
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Why These Related Problems?
These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.