Finding the Third Proportional to 355 and 503
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Solution
The third proportional to 355 and 503 is: 712.70
Step by Step Solution
- Step 1: Write the proportion equation
355 : 503 = 503 : x - Step 2: Convert to fraction form
355/503 = 503/x - Step 3: Cross multiply
355x = 503 × 503 - Step 4: Simplify right side
355x = 253,009 - Step 5: Solve for x
x = 253,009/355 - Step 6: Final answer
x = 712.70
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These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.