Finding the Third Proportional to 16,858.13 and 39,217.92
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Solution
The third proportional to 16,858.13 and 39,217.92 is: 91,234.67
Step by Step Solution
- Step 1: Write the proportion equation
16,858.13 : 39,217.92 = 39,217.92 : x - Step 2: Convert to fraction form
16,858.13/39,217.92 = 39,217.92/x - Step 3: Cross multiply
16,858.13x = 39,217.92 × 39,217.92 - Step 4: Simplify right side
16,858.13x = 1,538,045,396.19 - Step 5: Solve for x
x = 1,538,045,396.19/16,858.13 - Step 6: Final answer
x = 91,234.67
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Why These Related Problems?
These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.