Finding the Third Proportional to 9,412 and 20,767
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Solution
The third proportional to 9,412 and 20,767 is: 45,821.11
Step by Step Solution
- Step 1: Write the proportion equation
9,412 : 20,767 = 20,767 : x - Step 2: Convert to fraction form
9,412/20,767 = 20,767/x - Step 3: Cross multiply
9,412x = 20,767 × 20,767 - Step 4: Simplify right side
9,412x = 431,268,289 - Step 5: Solve for x
x = 431,268,289/9,412 - Step 6: Final answer
x = 45,821.11
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Why These Related Problems?
These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.