Finding the Third Proportional to 305,781.75 and 690,837.19
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Solution
The third proportional to 305,781.75 and 690,837.19 is: 1,560,773.39
Step by Step Solution
- Step 1: Write the proportion equation
305,781.75 : 690,837.19 = 690,837.19 : x - Step 2: Convert to fraction form
305,781.75/690,837.19 = 690,837.19/x - Step 3: Cross multiply
305,781.75x = 690,837.19 × 690,837.19 - Step 4: Simplify right side
305,781.75x = 477,256,019,632.91 - Step 5: Solve for x
x = 477,256,019,632.91/305,781.75 - Step 6: Final answer
x = 1,560,773.39
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These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.