Finding the Third Proportional to 396,511,769 and 858,923,316
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Solution
The third proportional to 396,511,769 and 858,923,316 is: 1,860,598,651.66
Step by Step Solution
- Step 1: Write the proportion equation
396,511,769 : 858,923,316 = 858,923,316 : x - Step 2: Convert to fraction form
396,511,769/858,923,316 = 858,923,316/x - Step 3: Cross multiply
396,511,769x = 858,923,316 × 858,923,316 - Step 4: Simplify right side
396,511,769x = 737,749,262,768,435,840 - Step 5: Solve for x
x = 737,749,262,768,435,840/396,511,769 - Step 6: Final answer
x = 1,860,598,651.66
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.