Finding the Third Proportional to 471,668 and 666,769
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Solution
The third proportional to 471,668 and 666,769 is: 942,571.68
Step by Step Solution
- Step 1: Write the proportion equation
471,668 : 666,769 = 666,769 : x - Step 2: Convert to fraction form
471,668/666,769 = 666,769/x - Step 3: Cross multiply
471,668x = 666,769 × 666,769 - Step 4: Simplify right side
471,668x = 444,580,899,361 - Step 5: Solve for x
x = 444,580,899,361/471,668 - Step 6: Final answer
x = 942,571.68
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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.