Finding the Third Proportional to 21,986 and 35,451
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Solution
The third proportional to 21,986 and 35,451 is: 57,162.44
Step by Step Solution
- Step 1: Write the proportion equation
21,986 : 35,451 = 35,451 : x - Step 2: Convert to fraction form
21,986/35,451 = 35,451/x - Step 3: Cross multiply
21,986x = 35,451 × 35,451 - Step 4: Simplify right side
21,986x = 1,256,773,401 - Step 5: Solve for x
x = 1,256,773,401/21,986 - Step 6: Final answer
x = 57,162.44
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Why These Related Problems?
These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.