Finding the Third Proportional to 633 and 839.50
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Solution
The third proportional to 633 and 839.50 is: 1,113.37
Step by Step Solution
- Step 1: Write the proportion equation
633 : 839.50 = 839.50 : x - Step 2: Convert to fraction form
633/839.50 = 839.50/x - Step 3: Cross multiply
633x = 839.50 × 839.50 - Step 4: Simplify right side
633x = 704,760.25 - Step 5: Solve for x
x = 704,760.25/633 - Step 6: Final answer
x = 1,113.37
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Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.