Finding the Third Proportional to 131 and 348.50
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Solution
The third proportional to 131 and 348.50 is: 927.12
Step by Step Solution
- Step 1: Write the proportion equation
131 : 348.50 = 348.50 : x - Step 2: Convert to fraction form
131/348.50 = 348.50/x - Step 3: Cross multiply
131x = 348.50 × 348.50 - Step 4: Simplify right side
131x = 121,452.25 - Step 5: Solve for x
x = 121,452.25/131 - Step 6: Final answer
x = 927.12
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Why These Related Problems?
These problems maintain the same ratio (2.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.