Finding the Third Proportional to 396,456 and 603,977
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Solution
The third proportional to 396,456 and 603,977 is: 920,122.83
Step by Step Solution
- Step 1: Write the proportion equation
396,456 : 603,977 = 603,977 : x - Step 2: Convert to fraction form
396,456/603,977 = 603,977/x - Step 3: Cross multiply
396,456x = 603,977 × 603,977 - Step 4: Simplify right side
396,456x = 364,788,216,529 - Step 5: Solve for x
x = 364,788,216,529/396,456 - Step 6: Final answer
x = 920,122.83
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Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.