Finding the Third Proportional to 436 and 774.50
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Solution
The third proportional to 436 and 774.50 is: 1,375.80
Step by Step Solution
- Step 1: Write the proportion equation
436 : 774.50 = 774.50 : x - Step 2: Convert to fraction form
436/774.50 = 774.50/x - Step 3: Cross multiply
436x = 774.50 × 774.50 - Step 4: Simplify right side
436x = 599,850.25 - Step 5: Solve for x
x = 599,850.25/436 - Step 6: Final answer
x = 1,375.80
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Why These Related Problems?
These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.