Finding the Third Proportional to 2,128 and 4,256
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Solution
The third proportional to 2,128 and 4,256 is: 8,512
Step by Step Solution
- Step 1: Write the proportion equation
2,128 : 4,256 = 4,256 : x - Step 2: Convert to fraction form
2,128/4,256 = 4,256/x - Step 3: Cross multiply
2,128x = 4,256 × 4,256 - Step 4: Simplify right side
2,128x = 18,113,536 - Step 5: Solve for x
x = 18,113,536/2,128 - Step 6: Final answer
x = 8,512
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Why These Related Problems?
These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.