Finding the Third Proportional to 644,328 and 1,394,847
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Solution
The third proportional to 644,328 and 1,394,847 is: 3,019,577.22
Step by Step Solution
- Step 1: Write the proportion equation
644,328 : 1,394,847 = 1,394,847 : x - Step 2: Convert to fraction form
644,328/1,394,847 = 1,394,847/x - Step 3: Cross multiply
644,328x = 1,394,847 × 1,394,847 - Step 4: Simplify right side
644,328x = 1,945,598,153,409 - Step 5: Solve for x
x = 1,945,598,153,409/644,328 - Step 6: Final answer
x = 3,019,577.22
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.