Finding the Third Proportional to 7,657,676 and 11,855,766
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Solution
The third proportional to 7,657,676 and 11,855,766 is: 18,355,332.28
Step by Step Solution
- Step 1: Write the proportion equation
7,657,676 : 11,855,766 = 11,855,766 : x - Step 2: Convert to fraction form
7,657,676/11,855,766 = 11,855,766/x - Step 3: Cross multiply
7,657,676x = 11,855,766 × 11,855,766 - Step 4: Simplify right side
7,657,676x = 140,559,187,446,756 - Step 5: Solve for x
x = 140,559,187,446,756/7,657,676 - Step 6: Final answer
x = 18,355,332.28
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.