Finding the Third Proportional to 831,849 and 1,703,115
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Solution
The third proportional to 831,849 and 1,703,115 is: 3,486,931.77
Step by Step Solution
- Step 1: Write the proportion equation
831,849 : 1,703,115 = 1,703,115 : x - Step 2: Convert to fraction form
831,849/1,703,115 = 1,703,115/x - Step 3: Cross multiply
831,849x = 1,703,115 × 1,703,115 - Step 4: Simplify right side
831,849x = 2,900,600,703,225 - Step 5: Solve for x
x = 2,900,600,703,225/831,849 - Step 6: Final answer
x = 3,486,931.77
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.