Finding the Third Proportional to 20,158 and 30,932
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Solution
The third proportional to 20,158 and 30,932 is: 47,464.46
Step by Step Solution
- Step 1: Write the proportion equation
20,158 : 30,932 = 30,932 : x - Step 2: Convert to fraction form
20,158/30,932 = 30,932/x - Step 3: Cross multiply
20,158x = 30,932 × 30,932 - Step 4: Simplify right side
20,158x = 956,788,624 - Step 5: Solve for x
x = 956,788,624/20,158 - Step 6: Final answer
x = 47,464.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.