Finding the Third Proportional to 771 and 1,464
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Solution
The third proportional to 771 and 1,464 is: 2,779.89
Step by Step Solution
- Step 1: Write the proportion equation
771 : 1,464 = 1,464 : x - Step 2: Convert to fraction form
771/1,464 = 1,464/x - Step 3: Cross multiply
771x = 1,464 × 1,464 - Step 4: Simplify right side
771x = 2,143,296 - Step 5: Solve for x
x = 2,143,296/771 - Step 6: Final answer
x = 2,779.89
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Why These Related Problems?
These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.