Finding the Third Proportional to 218,720 and 476,968
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Solution
The third proportional to 218,720 and 476,968 is: 1,040,135.67
Step by Step Solution
- Step 1: Write the proportion equation
218,720 : 476,968 = 476,968 : x - Step 2: Convert to fraction form
218,720/476,968 = 476,968/x - Step 3: Cross multiply
218,720x = 476,968 × 476,968 - Step 4: Simplify right side
218,720x = 227,498,473,024 - Step 5: Solve for x
x = 227,498,473,024/218,720 - Step 6: Final answer
x = 1,040,135.67
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.