Finding the Third Proportional to 843 and 1,188
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Solution
The third proportional to 843 and 1,188 is: 1,674.19
Step by Step Solution
- Step 1: Write the proportion equation
843 : 1,188 = 1,188 : x - Step 2: Convert to fraction form
843/1,188 = 1,188/x - Step 3: Cross multiply
843x = 1,188 × 1,188 - Step 4: Simplify right side
843x = 1,411,344 - Step 5: Solve for x
x = 1,411,344/843 - Step 6: Final answer
x = 1,674.19
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.