Finding the Third Proportional to 831,102 and 1,819,845
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Solution
The third proportional to 831,102 and 1,819,845 is: 3,984,872.88
Step by Step Solution
- Step 1: Write the proportion equation
831,102 : 1,819,845 = 1,819,845 : x - Step 2: Convert to fraction form
831,102/1,819,845 = 1,819,845/x - Step 3: Cross multiply
831,102x = 1,819,845 × 1,819,845 - Step 4: Simplify right side
831,102x = 3,311,835,824,025 - Step 5: Solve for x
x = 3,311,835,824,025/831,102 - Step 6: Final answer
x = 3,984,872.88
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.