Finding the Third Proportional to 428,479,717 and 603,393,860
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Solution
The third proportional to 428,479,717 and 603,393,860 is: 849,711,516.88
Step by Step Solution
- Step 1: Write the proportion equation
428,479,717 : 603,393,860 = 603,393,860 : x - Step 2: Convert to fraction form
428,479,717/603,393,860 = 603,393,860/x - Step 3: Cross multiply
428,479,717x = 603,393,860 × 603,393,860 - Step 4: Simplify right side
428,479,717x = 364,084,150,285,699,584 - Step 5: Solve for x
x = 364,084,150,285,699,584/428,479,717 - Step 6: Final answer
x = 849,711,516.88
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.