Finding the Third Proportional to 545 and 1,198
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Solution
The third proportional to 545 and 1,198 is: 2,633.40
Step by Step Solution
- Step 1: Write the proportion equation
545 : 1,198 = 1,198 : x - Step 2: Convert to fraction form
545/1,198 = 1,198/x - Step 3: Cross multiply
545x = 1,198 × 1,198 - Step 4: Simplify right side
545x = 1,435,204 - Step 5: Solve for x
x = 1,435,204/545 - Step 6: Final answer
x = 2,633.40
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.