Finding the Third Proportional to 10,943.44 and 15,486.19
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Solution
The third proportional to 10,943.44 and 15,486.19 is: 21,914.69
Step by Step Solution
- Step 1: Write the proportion equation
10,943.44 : 15,486.19 = 15,486.19 : x - Step 2: Convert to fraction form
10,943.44/15,486.19 = 15,486.19/x - Step 3: Cross multiply
10,943.44x = 15,486.19 × 15,486.19 - Step 4: Simplify right side
10,943.44x = 239,822,003.29 - Step 5: Solve for x
x = 239,822,003.29/10,943.44 - Step 6: Final answer
x = 21,914.69
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Why These Related Problems?
These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.