Finding the Third Proportional to 34 and 81.13
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Solution
The third proportional to 34 and 81.13 is: 193.57
Step by Step Solution
- Step 1: Write the proportion equation
34 : 81.13 = 81.13 : x - Step 2: Convert to fraction form
34/81.13 = 81.13/x - Step 3: Cross multiply
34x = 81.13 × 81.13 - Step 4: Simplify right side
34x = 6,581.27 - Step 5: Solve for x
x = 6,581.27/34 - Step 6: Final answer
x = 193.57
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Why These Related Problems?
These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.