Finding the Third Proportional to 211,639,122 and 431,780,976
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Solution
The third proportional to 211,639,122 and 431,780,976 is: 880,909,018.49
Step by Step Solution
- Step 1: Write the proportion equation
211,639,122 : 431,780,976 = 431,780,976 : x - Step 2: Convert to fraction form
211,639,122/431,780,976 = 431,780,976/x - Step 3: Cross multiply
211,639,122x = 431,780,976 × 431,780,976 - Step 4: Simplify right side
211,639,122x = 186,434,811,235,512,576 - Step 5: Solve for x
x = 186,434,811,235,512,576/211,639,122 - Step 6: Final answer
x = 880,909,018.49
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Why These Related Problems?
These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.