Finding the Third Proportional to 3,101,990 and 6,816,306
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Solution
The third proportional to 3,101,990 and 6,816,306 is: 14,978,135.80
Step by Step Solution
- Step 1: Write the proportion equation
3,101,990 : 6,816,306 = 6,816,306 : x - Step 2: Convert to fraction form
3,101,990/6,816,306 = 6,816,306/x - Step 3: Cross multiply
3,101,990x = 6,816,306 × 6,816,306 - Step 4: Simplify right side
3,101,990x = 46,462,027,485,636 - Step 5: Solve for x
x = 46,462,027,485,636/3,101,990 - Step 6: Final answer
x = 14,978,135.80
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.