Finding the Third Proportional to 16,812 and 18,612
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Solution
The third proportional to 16,812 and 18,612 is: 20,604.72
Step by Step Solution
- Step 1: Write the proportion equation
16,812 : 18,612 = 18,612 : x - Step 2: Convert to fraction form
16,812/18,612 = 18,612/x - Step 3: Cross multiply
16,812x = 18,612 × 18,612 - Step 4: Simplify right side
16,812x = 346,406,544 - Step 5: Solve for x
x = 346,406,544/16,812 - Step 6: Final answer
x = 20,604.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.