Finding the Third Proportional to 206,438.91 and 301,691.81
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Solution
The third proportional to 206,438.91 and 301,691.81 is: 440,895.33
Step by Step Solution
- Step 1: Write the proportion equation
206,438.91 : 301,691.81 = 301,691.81 : x - Step 2: Convert to fraction form
206,438.91/301,691.81 = 301,691.81/x - Step 3: Cross multiply
206,438.91x = 301,691.81 × 301,691.81 - Step 4: Simplify right side
206,438.91x = 91,017,949,729.54 - Step 5: Solve for x
x = 91,017,949,729.54/206,438.91 - Step 6: Final answer
x = 440,895.33
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.