Finding the Third Proportional to 647,152 and 979,782
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Solution
The third proportional to 647,152 and 979,782 is: 1,483,380.67
Step by Step Solution
- Step 1: Write the proportion equation
647,152 : 979,782 = 979,782 : x - Step 2: Convert to fraction form
647,152/979,782 = 979,782/x - Step 3: Cross multiply
647,152x = 979,782 × 979,782 - Step 4: Simplify right side
647,152x = 959,972,767,524 - Step 5: Solve for x
x = 959,972,767,524/647,152 - Step 6: Final answer
x = 1,483,380.67
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.