Finding the Third Proportional to 268 and 556
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Solution
The third proportional to 268 and 556 is: 1,153.49
Step by Step Solution
- Step 1: Write the proportion equation
268 : 556 = 556 : x - Step 2: Convert to fraction form
268/556 = 556/x - Step 3: Cross multiply
268x = 556 × 556 - Step 4: Simplify right side
268x = 309,136 - Step 5: Solve for x
x = 309,136/268 - Step 6: Final answer
x = 1,153.49
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These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.