Finding the Third Proportional to 392 and 759
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Solution
The third proportional to 392 and 759 is: 1,469.59
Step by Step Solution
- Step 1: Write the proportion equation
392 : 759 = 759 : x - Step 2: Convert to fraction form
392/759 = 759/x - Step 3: Cross multiply
392x = 759 × 759 - Step 4: Simplify right side
392x = 576,081 - Step 5: Solve for x
x = 576,081/392 - Step 6: Final answer
x = 1,469.59
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Why These Related Problems?
These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.