Finding the Third Proportional to 838,493 and 1,809,766
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Solution
The third proportional to 838,493 and 1,809,766 is: 3,906,118.45
Step by Step Solution
- Step 1: Write the proportion equation
838,493 : 1,809,766 = 1,809,766 : x - Step 2: Convert to fraction form
838,493/1,809,766 = 1,809,766/x - Step 3: Cross multiply
838,493x = 1,809,766 × 1,809,766 - Step 4: Simplify right side
838,493x = 3,275,252,974,756 - Step 5: Solve for x
x = 3,275,252,974,756/838,493 - Step 6: Final answer
x = 3,906,118.45
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.