Finding the Third Proportional to 438 and 881
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Solution
The third proportional to 438 and 881 is: 1,772.06
Step by Step Solution
- Step 1: Write the proportion equation
438 : 881 = 881 : x - Step 2: Convert to fraction form
438/881 = 881/x - Step 3: Cross multiply
438x = 881 × 881 - Step 4: Simplify right side
438x = 776,161 - Step 5: Solve for x
x = 776,161/438 - Step 6: Final answer
x = 1,772.06
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Why These Related Problems?
These problems maintain the same ratio (2.01) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.