Finding the Third Proportional to 818 and 911
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Solution
The third proportional to 818 and 911 is: 1,014.57
Step by Step Solution
- Step 1: Write the proportion equation
818 : 911 = 911 : x - Step 2: Convert to fraction form
818/911 = 911/x - Step 3: Cross multiply
818x = 911 × 911 - Step 4: Simplify right side
818x = 829,921 - Step 5: Solve for x
x = 829,921/818 - Step 6: Final answer
x = 1,014.57
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Why These Related Problems?
These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.