Finding the Third Proportional to 85,239.75 and 127,859.63
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Solution
The third proportional to 85,239.75 and 127,859.63 is: 191,789.44
Step by Step Solution
- Step 1: Write the proportion equation
85,239.75 : 127,859.63 = 127,859.63 : x - Step 2: Convert to fraction form
85,239.75/127,859.63 = 127,859.63/x - Step 3: Cross multiply
85,239.75x = 127,859.63 × 127,859.63 - Step 4: Simplify right side
85,239.75x = 16,348,083,705.14 - Step 5: Solve for x
x = 16,348,083,705.14/85,239.75 - Step 6: Final answer
x = 191,789.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.