Finding the Third Proportional to 38.50 and 83
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Solution
The third proportional to 38.50 and 83 is: 178.94
Step by Step Solution
- Step 1: Write the proportion equation
38.50 : 83 = 83 : x - Step 2: Convert to fraction form
38.50/83 = 83/x - Step 3: Cross multiply
38.50x = 83 × 83 - Step 4: Simplify right side
38.50x = 6,889 - Step 5: Solve for x
x = 6,889/38.50 - Step 6: Final answer
x = 178.94
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.