Finding the Third Proportional to 18,751.50 and 27,249.75
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Solution
The third proportional to 18,751.50 and 27,249.75 is: 39,599.44
Step by Step Solution
- Step 1: Write the proportion equation
18,751.50 : 27,249.75 = 27,249.75 : x - Step 2: Convert to fraction form
18,751.50/27,249.75 = 27,249.75/x - Step 3: Cross multiply
18,751.50x = 27,249.75 × 27,249.75 - Step 4: Simplify right side
18,751.50x = 742,548,875.06 - Step 5: Solve for x
x = 742,548,875.06/18,751.50 - Step 6: Final answer
x = 39,599.44
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Why These Related Problems?
These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.