Finding the Third Proportional to 386 and 534
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Solution
The third proportional to 386 and 534 is: 738.75
Step by Step Solution
- Step 1: Write the proportion equation
386 : 534 = 534 : x - Step 2: Convert to fraction form
386/534 = 534/x - Step 3: Cross multiply
386x = 534 × 534 - Step 4: Simplify right side
386x = 285,156 - Step 5: Solve for x
x = 285,156/386 - Step 6: Final answer
x = 738.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.