Finding the Third Proportional to 21,843.50 and 33,402
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Solution
The third proportional to 21,843.50 and 33,402 is: 51,076.69
Step by Step Solution
- Step 1: Write the proportion equation
21,843.50 : 33,402 = 33,402 : x - Step 2: Convert to fraction form
21,843.50/33,402 = 33,402/x - Step 3: Cross multiply
21,843.50x = 33,402 × 33,402 - Step 4: Simplify right side
21,843.50x = 1,115,693,604 - Step 5: Solve for x
x = 1,115,693,604/21,843.50 - Step 6: Final answer
x = 51,076.69
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.