Finding the Third Proportional to 11,022.75 and 21,489.75
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Solution
The third proportional to 11,022.75 and 21,489.75 is: 41,896.02
Step by Step Solution
- Step 1: Write the proportion equation
11,022.75 : 21,489.75 = 21,489.75 : x - Step 2: Convert to fraction form
11,022.75/21,489.75 = 21,489.75/x - Step 3: Cross multiply
11,022.75x = 21,489.75 × 21,489.75 - Step 4: Simplify right side
11,022.75x = 461,809,355.06 - Step 5: Solve for x
x = 461,809,355.06/11,022.75 - Step 6: Final answer
x = 41,896.02
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Why These Related Problems?
These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.