Finding the Third Proportional to 122,763 and 257,910
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Solution
The third proportional to 122,763 and 257,910 is: 541,837.26
Step by Step Solution
- Step 1: Write the proportion equation
122,763 : 257,910 = 257,910 : x - Step 2: Convert to fraction form
122,763/257,910 = 257,910/x - Step 3: Cross multiply
122,763x = 257,910 × 257,910 - Step 4: Simplify right side
122,763x = 66,517,568,100 - Step 5: Solve for x
x = 66,517,568,100/122,763 - Step 6: Final answer
x = 541,837.26
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Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.