Finding the Third Proportional to 3,117,720 and 6,699,568
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Solution
The third proportional to 3,117,720 and 6,699,568 is: 14,396,485.70
Step by Step Solution
- Step 1: Write the proportion equation
3,117,720 : 6,699,568 = 6,699,568 : x - Step 2: Convert to fraction form
3,117,720/6,699,568 = 6,699,568/x - Step 3: Cross multiply
3,117,720x = 6,699,568 × 6,699,568 - Step 4: Simplify right side
3,117,720x = 44,884,211,386,624 - Step 5: Solve for x
x = 44,884,211,386,624/3,117,720 - Step 6: Final answer
x = 14,396,485.70
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.