Finding the Third Proportional to 47 and 126.50
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Solution
The third proportional to 47 and 126.50 is: 340.47
Step by Step Solution
- Step 1: Write the proportion equation
47 : 126.50 = 126.50 : x - Step 2: Convert to fraction form
47/126.50 = 126.50/x - Step 3: Cross multiply
47x = 126.50 × 126.50 - Step 4: Simplify right side
47x = 16,002.25 - Step 5: Solve for x
x = 16,002.25/47 - Step 6: Final answer
x = 340.47
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Why These Related Problems?
These problems maintain the same ratio (2.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.