Finding the Third Proportional to 655,042 and 1,420,676
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Solution
The third proportional to 655,042 and 1,420,676 is: 3,081,207.46
Step by Step Solution
- Step 1: Write the proportion equation
655,042 : 1,420,676 = 1,420,676 : x - Step 2: Convert to fraction form
655,042/1,420,676 = 1,420,676/x - Step 3: Cross multiply
655,042x = 1,420,676 × 1,420,676 - Step 4: Simplify right side
655,042x = 2,018,320,296,976 - Step 5: Solve for x
x = 2,018,320,296,976/655,042 - Step 6: Final answer
x = 3,081,207.46
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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.