Finding the Third Proportional to 394,920.56 and 836,907.19
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Solution
The third proportional to 394,920.56 and 836,907.19 is: 1,773,555.77
Step by Step Solution
- Step 1: Write the proportion equation
394,920.56 : 836,907.19 = 836,907.19 : x - Step 2: Convert to fraction form
394,920.56/836,907.19 = 836,907.19/x - Step 3: Cross multiply
394,920.56x = 836,907.19 × 836,907.19 - Step 4: Simplify right side
394,920.56x = 700,413,640,489.16 - Step 5: Solve for x
x = 700,413,640,489.16/394,920.56 - Step 6: Final answer
x = 1,773,555.77
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.