Finding the Third Proportional to 786.75 and 1,233
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Solution
The third proportional to 786.75 and 1,233 is: 1,932.37
Step by Step Solution
- Step 1: Write the proportion equation
786.75 : 1,233 = 1,233 : x - Step 2: Convert to fraction form
786.75/1,233 = 1,233/x - Step 3: Cross multiply
786.75x = 1,233 × 1,233 - Step 4: Simplify right side
786.75x = 1,520,289 - Step 5: Solve for x
x = 1,520,289/786.75 - Step 6: Final answer
x = 1,932.37
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.