Finding the Third Proportional to 114.75 and 229.50
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Solution
The third proportional to 114.75 and 229.50 is: 459
Step by Step Solution
- Step 1: Write the proportion equation
114.75 : 229.50 = 229.50 : x - Step 2: Convert to fraction form
114.75/229.50 = 229.50/x - Step 3: Cross multiply
114.75x = 229.50 × 229.50 - Step 4: Simplify right side
114.75x = 52,670.25 - Step 5: Solve for x
x = 52,670.25/114.75 - Step 6: Final answer
x = 459
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.