Finding the Third Proportional to 399 and 965
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Solution
The third proportional to 399 and 965 is: 2,333.90
Step by Step Solution
- Step 1: Write the proportion equation
399 : 965 = 965 : x - Step 2: Convert to fraction form
399/965 = 965/x - Step 3: Cross multiply
399x = 965 × 965 - Step 4: Simplify right side
399x = 931,225 - Step 5: Solve for x
x = 931,225/399 - Step 6: Final answer
x = 2,333.90
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Why These Related Problems?
These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.