Finding the Third Proportional to 835 and 1,777
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Solution
The third proportional to 835 and 1,777 is: 3,781.71
Step by Step Solution
- Step 1: Write the proportion equation
835 : 1,777 = 1,777 : x - Step 2: Convert to fraction form
835/1,777 = 1,777/x - Step 3: Cross multiply
835x = 1,777 × 1,777 - Step 4: Simplify right side
835x = 3,157,729 - Step 5: Solve for x
x = 3,157,729/835 - Step 6: Final answer
x = 3,781.71
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.