Finding the Third Proportional to 876 and 1,732
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Solution
The third proportional to 876 and 1,732 is: 3,424.46
Step by Step Solution
- Step 1: Write the proportion equation
876 : 1,732 = 1,732 : x - Step 2: Convert to fraction form
876/1,732 = 1,732/x - Step 3: Cross multiply
876x = 1,732 × 1,732 - Step 4: Simplify right side
876x = 2,999,824 - Step 5: Solve for x
x = 2,999,824/876 - Step 6: Final answer
x = 3,424.46
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Why These Related Problems?
These problems maintain the same ratio (1.98) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.