Finding the Third Proportional to 128,832.25 and 276,709.75
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Solution
The third proportional to 128,832.25 and 276,709.75 is: 594,325.46
Step by Step Solution
- Step 1: Write the proportion equation
128,832.25 : 276,709.75 = 276,709.75 : x - Step 2: Convert to fraction form
128,832.25/276,709.75 = 276,709.75/x - Step 3: Cross multiply
128,832.25x = 276,709.75 × 276,709.75 - Step 4: Simplify right side
128,832.25x = 76,568,285,745.06 - Step 5: Solve for x
x = 76,568,285,745.06/128,832.25 - Step 6: Final answer
x = 594,325.46
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.