Finding the Third Proportional to 394,125.75 and 861,865.31
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Solution
The third proportional to 394,125.75 and 861,865.31 is: 1,884,707.65
Step by Step Solution
- Step 1: Write the proportion equation
394,125.75 : 861,865.31 = 861,865.31 : x - Step 2: Convert to fraction form
394,125.75/861,865.31 = 861,865.31/x - Step 3: Cross multiply
394,125.75x = 861,865.31 × 861,865.31 - Step 4: Simplify right side
394,125.75x = 742,811,816,890.72 - Step 5: Solve for x
x = 742,811,816,890.72/394,125.75 - Step 6: Final answer
x = 1,884,707.65
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.