Finding the Third Proportional to 336.50 and 431
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Solution
The third proportional to 336.50 and 431 is: 552.04
Step by Step Solution
- Step 1: Write the proportion equation
336.50 : 431 = 431 : x - Step 2: Convert to fraction form
336.50/431 = 431/x - Step 3: Cross multiply
336.50x = 431 × 431 - Step 4: Simplify right side
336.50x = 185,761 - Step 5: Solve for x
x = 185,761/336.50 - Step 6: Final answer
x = 552.04
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These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.