Finding the Third Proportional to 7,540 and 17,470
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Solution
The third proportional to 7,540 and 17,470 is: 40,477.57
Step by Step Solution
- Step 1: Write the proportion equation
7,540 : 17,470 = 17,470 : x - Step 2: Convert to fraction form
7,540/17,470 = 17,470/x - Step 3: Cross multiply
7,540x = 17,470 × 17,470 - Step 4: Simplify right side
7,540x = 305,200,900 - Step 5: Solve for x
x = 305,200,900/7,540 - Step 6: Final answer
x = 40,477.57
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Why These Related Problems?
These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.