Finding the Third Proportional to 202,800.75 and 318,120.38
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Solution
The third proportional to 202,800.75 and 318,120.38 is: 499,014.79
Step by Step Solution
- Step 1: Write the proportion equation
202,800.75 : 318,120.38 = 318,120.38 : x - Step 2: Convert to fraction form
202,800.75/318,120.38 = 318,120.38/x - Step 3: Cross multiply
202,800.75x = 318,120.38 × 318,120.38 - Step 4: Simplify right side
202,800.75x = 101,200,572,990.14 - Step 5: Solve for x
x = 101,200,572,990.14/202,800.75 - Step 6: Final answer
x = 499,014.79
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.