Finding the Third Proportional to 39,143.75 and 87,251.75
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Solution
The third proportional to 39,143.75 and 87,251.75 is: 194,484.89
Step by Step Solution
- Step 1: Write the proportion equation
39,143.75 : 87,251.75 = 87,251.75 : x - Step 2: Convert to fraction form
39,143.75/87,251.75 = 87,251.75/x - Step 3: Cross multiply
39,143.75x = 87,251.75 × 87,251.75 - Step 4: Simplify right side
39,143.75x = 7,612,867,878.06 - Step 5: Solve for x
x = 7,612,867,878.06/39,143.75 - Step 6: Final answer
x = 194,484.89
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Why These Related Problems?
These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.