Finding the Third Proportional to 128,872.13 and 283,149
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Solution
The third proportional to 128,872.13 and 283,149 is: 622,115.58
Step by Step Solution
- Step 1: Write the proportion equation
128,872.13 : 283,149 = 283,149 : x - Step 2: Convert to fraction form
128,872.13/283,149 = 283,149/x - Step 3: Cross multiply
128,872.13x = 283,149 × 283,149 - Step 4: Simplify right side
128,872.13x = 80,173,356,201 - Step 5: Solve for x
x = 80,173,356,201/128,872.13 - Step 6: Final answer
x = 622,115.58
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.