Finding the Third Proportional to 5,411 and 8,135
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Solution
The third proportional to 5,411 and 8,135 is: 12,230.31
Step by Step Solution
- Step 1: Write the proportion equation
5,411 : 8,135 = 8,135 : x - Step 2: Convert to fraction form
5,411/8,135 = 8,135/x - Step 3: Cross multiply
5,411x = 8,135 × 8,135 - Step 4: Simplify right side
5,411x = 66,178,225 - Step 5: Solve for x
x = 66,178,225/5,411 - Step 6: Final answer
x = 12,230.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.