Finding the Third Proportional to 1,089 and 1,881
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Solution
The third proportional to 1,089 and 1,881 is: 3,249
Step by Step Solution
- Step 1: Write the proportion equation
1,089 : 1,881 = 1,881 : x - Step 2: Convert to fraction form
1,089/1,881 = 1,881/x - Step 3: Cross multiply
1,089x = 1,881 × 1,881 - Step 4: Simplify right side
1,089x = 3,538,161 - Step 5: Solve for x
x = 3,538,161/1,089 - Step 6: Final answer
x = 3,249
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These problems maintain the same ratio (1.73) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.