Finding the Third Proportional to 51.50 and 57.50
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Solution
The third proportional to 51.50 and 57.50 is: 64.20
Step by Step Solution
- Step 1: Write the proportion equation
51.50 : 57.50 = 57.50 : x - Step 2: Convert to fraction form
51.50/57.50 = 57.50/x - Step 3: Cross multiply
51.50x = 57.50 × 57.50 - Step 4: Simplify right side
51.50x = 3,306.25 - Step 5: Solve for x
x = 3,306.25/51.50 - Step 6: Final answer
x = 64.20
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Why These Related Problems?
These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.