Finding the Third Proportional to 394 and 516
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Solution
The third proportional to 394 and 516 is: 675.78
Step by Step Solution
- Step 1: Write the proportion equation
394 : 516 = 516 : x - Step 2: Convert to fraction form
394/516 = 516/x - Step 3: Cross multiply
394x = 516 × 516 - Step 4: Simplify right side
394x = 266,256 - Step 5: Solve for x
x = 266,256/394 - Step 6: Final answer
x = 675.78
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These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.