Finding the Third Proportional to 3,122,691 and 6,853,638
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Solution
The third proportional to 3,122,691 and 6,853,638 is: 15,042,267.66
Step by Step Solution
- Step 1: Write the proportion equation
3,122,691 : 6,853,638 = 6,853,638 : x - Step 2: Convert to fraction form
3,122,691/6,853,638 = 6,853,638/x - Step 3: Cross multiply
3,122,691x = 6,853,638 × 6,853,638 - Step 4: Simplify right side
3,122,691x = 46,972,353,835,044 - Step 5: Solve for x
x = 46,972,353,835,044/3,122,691 - Step 6: Final answer
x = 15,042,267.66
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.