Finding the Third Proportional to 1,089 and 2,388
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Solution
The third proportional to 1,089 and 2,388 is: 5,236.50
Step by Step Solution
- Step 1: Write the proportion equation
1,089 : 2,388 = 2,388 : x - Step 2: Convert to fraction form
1,089/2,388 = 2,388/x - Step 3: Cross multiply
1,089x = 2,388 × 2,388 - Step 4: Simplify right side
1,089x = 5,702,544 - Step 5: Solve for x
x = 5,702,544/1,089 - Step 6: Final answer
x = 5,236.50
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.