Finding the Third Proportional to 39,273.75 and 55,527.75
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Solution
The third proportional to 39,273.75 and 55,527.75 is: 78,508.70
Step by Step Solution
- Step 1: Write the proportion equation
39,273.75 : 55,527.75 = 55,527.75 : x - Step 2: Convert to fraction form
39,273.75/55,527.75 = 55,527.75/x - Step 3: Cross multiply
39,273.75x = 55,527.75 × 55,527.75 - Step 4: Simplify right side
39,273.75x = 3,083,331,020.06 - Step 5: Solve for x
x = 3,083,331,020.06/39,273.75 - Step 6: Final answer
x = 78,508.70
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.