Finding the Third Proportional to 231 and 574.50
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Solution
The third proportional to 231 and 574.50 is: 1,428.79
Step by Step Solution
- Step 1: Write the proportion equation
231 : 574.50 = 574.50 : x - Step 2: Convert to fraction form
231/574.50 = 574.50/x - Step 3: Cross multiply
231x = 574.50 × 574.50 - Step 4: Simplify right side
231x = 330,050.25 - Step 5: Solve for x
x = 330,050.25/231 - Step 6: Final answer
x = 1,428.79
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Why These Related Problems?
These problems maintain the same ratio (2.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.