Finding the Third Proportional to 212 and 412
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Solution
The third proportional to 212 and 412 is: 800.68
Step by Step Solution
- Step 1: Write the proportion equation
212 : 412 = 412 : x - Step 2: Convert to fraction form
212/412 = 412/x - Step 3: Cross multiply
212x = 412 × 412 - Step 4: Simplify right side
212x = 169,744 - Step 5: Solve for x
x = 169,744/212 - Step 6: Final answer
x = 800.68
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These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.