Finding the Third Proportional to 330 and 857
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Solution
The third proportional to 330 and 857 is: 2,225.60
Step by Step Solution
- Step 1: Write the proportion equation
330 : 857 = 857 : x - Step 2: Convert to fraction form
330/857 = 857/x - Step 3: Cross multiply
330x = 857 × 857 - Step 4: Simplify right side
330x = 734,449 - Step 5: Solve for x
x = 734,449/330 - Step 6: Final answer
x = 2,225.60
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Why These Related Problems?
These problems maintain the same ratio (2.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.