Finding the Third Proportional to 80,990 and 170,170
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Solution
The third proportional to 80,990 and 170,170 is: 357,548.20
Step by Step Solution
- Step 1: Write the proportion equation
80,990 : 170,170 = 170,170 : x - Step 2: Convert to fraction form
80,990/170,170 = 170,170/x - Step 3: Cross multiply
80,990x = 170,170 × 170,170 - Step 4: Simplify right side
80,990x = 28,957,828,900 - Step 5: Solve for x
x = 28,957,828,900/80,990 - Step 6: Final answer
x = 357,548.20
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Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.