Finding the Third Proportional to 984,900 and 2,116,932
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Solution
The third proportional to 984,900 and 2,116,932 is: 4,550,107.72
Step by Step Solution
- Step 1: Write the proportion equation
984,900 : 2,116,932 = 2,116,932 : x - Step 2: Convert to fraction form
984,900/2,116,932 = 2,116,932/x - Step 3: Cross multiply
984,900x = 2,116,932 × 2,116,932 - Step 4: Simplify right side
984,900x = 4,481,401,092,624 - Step 5: Solve for x
x = 4,481,401,092,624/984,900 - Step 6: Final answer
x = 4,550,107.72
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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.