Finding the Third Proportional to 20,960 and 29,800
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Solution
The third proportional to 20,960 and 29,800 is: 42,368.32
Step by Step Solution
- Step 1: Write the proportion equation
20,960 : 29,800 = 29,800 : x - Step 2: Convert to fraction form
20,960/29,800 = 29,800/x - Step 3: Cross multiply
20,960x = 29,800 × 29,800 - Step 4: Simplify right side
20,960x = 888,040,000 - Step 5: Solve for x
x = 888,040,000/20,960 - Step 6: Final answer
x = 42,368.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.