Finding the Third Proportional to 3,212,742 and 6,691,836
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Solution
The third proportional to 3,212,742 and 6,691,836 is: 13,938,457.88
Step by Step Solution
- Step 1: Write the proportion equation
3,212,742 : 6,691,836 = 6,691,836 : x - Step 2: Convert to fraction form
3,212,742/6,691,836 = 6,691,836/x - Step 3: Cross multiply
3,212,742x = 6,691,836 × 6,691,836 - Step 4: Simplify right side
3,212,742x = 44,780,669,050,896 - Step 5: Solve for x
x = 44,780,669,050,896/3,212,742 - Step 6: Final answer
x = 13,938,457.88
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.