Finding the Third Proportional to 87,124 and 189,000
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Solution
The third proportional to 87,124 and 189,000 is: 410,001.84
Step by Step Solution
- Step 1: Write the proportion equation
87,124 : 189,000 = 189,000 : x - Step 2: Convert to fraction form
87,124/189,000 = 189,000/x - Step 3: Cross multiply
87,124x = 189,000 × 189,000 - Step 4: Simplify right side
87,124x = 35,721,000,000 - Step 5: Solve for x
x = 35,721,000,000/87,124 - Step 6: Final answer
x = 410,001.84
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.