Finding the Third Proportional to 21,416 and 30,934
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Solution
The third proportional to 21,416 and 30,934 is: 44,682.12
Step by Step Solution
- Step 1: Write the proportion equation
21,416 : 30,934 = 30,934 : x - Step 2: Convert to fraction form
21,416/30,934 = 30,934/x - Step 3: Cross multiply
21,416x = 30,934 × 30,934 - Step 4: Simplify right side
21,416x = 956,912,356 - Step 5: Solve for x
x = 956,912,356/21,416 - Step 6: Final answer
x = 44,682.12
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Why These Related Problems?
These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.