Finding the Third Proportional to 268 and 436
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Solution
The third proportional to 268 and 436 is: 709.31
Step by Step Solution
- Step 1: Write the proportion equation
268 : 436 = 436 : x - Step 2: Convert to fraction form
268/436 = 436/x - Step 3: Cross multiply
268x = 436 × 436 - Step 4: Simplify right side
268x = 190,096 - Step 5: Solve for x
x = 190,096/268 - Step 6: Final answer
x = 709.31
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These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.