Finding the Third Proportional to 667 and 1,345
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Solution
The third proportional to 667 and 1,345 is: 2,712.18
Step by Step Solution
- Step 1: Write the proportion equation
667 : 1,345 = 1,345 : x - Step 2: Convert to fraction form
667/1,345 = 1,345/x - Step 3: Cross multiply
667x = 1,345 × 1,345 - Step 4: Simplify right side
667x = 1,809,025 - Step 5: Solve for x
x = 1,809,025/667 - Step 6: Final answer
x = 2,712.18
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Why These Related Problems?
These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.