Finding the Third Proportional to 87,423 and 189,534
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Solution
The third proportional to 87,423 and 189,534 is: 410,911.74
Step by Step Solution
- Step 1: Write the proportion equation
87,423 : 189,534 = 189,534 : x - Step 2: Convert to fraction form
87,423/189,534 = 189,534/x - Step 3: Cross multiply
87,423x = 189,534 × 189,534 - Step 4: Simplify right side
87,423x = 35,923,137,156 - Step 5: Solve for x
x = 35,923,137,156/87,423 - Step 6: Final answer
x = 410,911.74
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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.