Finding the Third Proportional to 190,638.94 and 397,067.81
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Solution
The third proportional to 190,638.94 and 397,067.81 is: 827,023.32
Step by Step Solution
- Step 1: Write the proportion equation
190,638.94 : 397,067.81 = 397,067.81 : x - Step 2: Convert to fraction form
190,638.94/397,067.81 = 397,067.81/x - Step 3: Cross multiply
190,638.94x = 397,067.81 × 397,067.81 - Step 4: Simplify right side
190,638.94x = 157,662,847,723.54 - Step 5: Solve for x
x = 157,662,847,723.54/190,638.94 - Step 6: Final answer
x = 827,023.32
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.