Finding the Third Proportional to 479,838 and 1,018,716
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Solution
The third proportional to 479,838 and 1,018,716 is: 2,162,776.37
Step by Step Solution
- Step 1: Write the proportion equation
479,838 : 1,018,716 = 1,018,716 : x - Step 2: Convert to fraction form
479,838/1,018,716 = 1,018,716/x - Step 3: Cross multiply
479,838x = 1,018,716 × 1,018,716 - Step 4: Simplify right side
479,838x = 1,037,782,288,656 - Step 5: Solve for x
x = 1,037,782,288,656/479,838 - Step 6: Final answer
x = 2,162,776.37
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.