Finding the Third Proportional to 126 and 306.50
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Solution
The third proportional to 126 and 306.50 is: 745.57
Step by Step Solution
- Step 1: Write the proportion equation
126 : 306.50 = 306.50 : x - Step 2: Convert to fraction form
126/306.50 = 306.50/x - Step 3: Cross multiply
126x = 306.50 × 306.50 - Step 4: Simplify right side
126x = 93,942.25 - Step 5: Solve for x
x = 93,942.25/126 - Step 6: Final answer
x = 745.57
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Why These Related Problems?
These problems maintain the same ratio (2.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.