Finding the Third Proportional to 87,149.25 and 122,721.75
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Solution
The third proportional to 87,149.25 and 122,721.75 is: 172,814.20
Step by Step Solution
- Step 1: Write the proportion equation
87,149.25 : 122,721.75 = 122,721.75 : x - Step 2: Convert to fraction form
87,149.25/122,721.75 = 122,721.75/x - Step 3: Cross multiply
87,149.25x = 122,721.75 × 122,721.75 - Step 4: Simplify right side
87,149.25x = 15,060,627,923.06 - Step 5: Solve for x
x = 15,060,627,923.06/87,149.25 - Step 6: Final answer
x = 172,814.20
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These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.