Finding the Third Proportional to 129,608.25 and 269,565.75
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Solution
The third proportional to 129,608.25 and 269,565.75 is: 560,656.39
Step by Step Solution
- Step 1: Write the proportion equation
129,608.25 : 269,565.75 = 269,565.75 : x - Step 2: Convert to fraction form
129,608.25/269,565.75 = 269,565.75/x - Step 3: Cross multiply
129,608.25x = 269,565.75 × 269,565.75 - Step 4: Simplify right side
129,608.25x = 72,665,693,573.06 - Step 5: Solve for x
x = 72,665,693,573.06/129,608.25 - Step 6: Final answer
x = 560,656.39
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These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.