Finding the Third Proportional to 830 and 1,997
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Solution
The third proportional to 830 and 1,997 is: 4,804.83
Step by Step Solution
- Step 1: Write the proportion equation
830 : 1,997 = 1,997 : x - Step 2: Convert to fraction form
830/1,997 = 1,997/x - Step 3: Cross multiply
830x = 1,997 × 1,997 - Step 4: Simplify right side
830x = 3,988,009 - Step 5: Solve for x
x = 3,988,009/830 - Step 6: Final answer
x = 4,804.83
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Why These Related Problems?
These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.