Finding the Third Proportional to 77,338 and 168,880
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Solution
The third proportional to 77,338 and 168,880 is: 368,776.73
Step by Step Solution
- Step 1: Write the proportion equation
77,338 : 168,880 = 168,880 : x - Step 2: Convert to fraction form
77,338/168,880 = 168,880/x - Step 3: Cross multiply
77,338x = 168,880 × 168,880 - Step 4: Simplify right side
77,338x = 28,520,454,400 - Step 5: Solve for x
x = 28,520,454,400/77,338 - Step 6: Final answer
x = 368,776.73
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.