Finding the Third Proportional to 81,122 and 175,940
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Solution
The third proportional to 81,122 and 175,940 is: 381,584.32
Step by Step Solution
- Step 1: Write the proportion equation
81,122 : 175,940 = 175,940 : x - Step 2: Convert to fraction form
81,122/175,940 = 175,940/x - Step 3: Cross multiply
81,122x = 175,940 × 175,940 - Step 4: Simplify right side
81,122x = 30,954,883,600 - Step 5: Solve for x
x = 30,954,883,600/81,122 - Step 6: Final answer
x = 381,584.32
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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.