Finding the Third Proportional to 360 and 431
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Solution
The third proportional to 360 and 431 is: 516.00
Step by Step Solution
- Step 1: Write the proportion equation
360 : 431 = 431 : x - Step 2: Convert to fraction form
360/431 = 431/x - Step 3: Cross multiply
360x = 431 × 431 - Step 4: Simplify right side
360x = 185,761 - Step 5: Solve for x
x = 185,761/360 - Step 6: Final answer
x = 516.00
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These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.