Finding the Third Proportional to 91,201.50 and 198,843.75
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Solution
The third proportional to 91,201.50 and 198,843.75 is: 433,532.75
Step by Step Solution
- Step 1: Write the proportion equation
91,201.50 : 198,843.75 = 198,843.75 : x - Step 2: Convert to fraction form
91,201.50/198,843.75 = 198,843.75/x - Step 3: Cross multiply
91,201.50x = 198,843.75 × 198,843.75 - Step 4: Simplify right side
91,201.50x = 39,538,836,914.06 - Step 5: Solve for x
x = 39,538,836,914.06/91,201.50 - Step 6: Final answer
x = 433,532.75
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.