Finding the Third Proportional to 128,107.25 and 203,565.75
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Solution
The third proportional to 128,107.25 and 203,565.75 is: 323,471.27
Step by Step Solution
- Step 1: Write the proportion equation
128,107.25 : 203,565.75 = 203,565.75 : x - Step 2: Convert to fraction form
128,107.25/203,565.75 = 203,565.75/x - Step 3: Cross multiply
128,107.25x = 203,565.75 × 203,565.75 - Step 4: Simplify right side
128,107.25x = 41,439,014,573.06 - Step 5: Solve for x
x = 41,439,014,573.06/128,107.25 - Step 6: Final answer
x = 323,471.27
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.