Finding the Third Proportional to 369 and 879
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Solution
The third proportional to 369 and 879 is: 2,093.88
Step by Step Solution
- Step 1: Write the proportion equation
369 : 879 = 879 : x - Step 2: Convert to fraction form
369/879 = 879/x - Step 3: Cross multiply
369x = 879 × 879 - Step 4: Simplify right side
369x = 772,641 - Step 5: Solve for x
x = 772,641/369 - Step 6: Final answer
x = 2,093.88
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Why These Related Problems?
These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.