Finding the Third Proportional to 10,218 and 21,168
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Solution
The third proportional to 10,218 and 21,168 is: 43,852.44
Step by Step Solution
- Step 1: Write the proportion equation
10,218 : 21,168 = 21,168 : x - Step 2: Convert to fraction form
10,218/21,168 = 21,168/x - Step 3: Cross multiply
10,218x = 21,168 × 21,168 - Step 4: Simplify right side
10,218x = 448,084,224 - Step 5: Solve for x
x = 448,084,224/10,218 - Step 6: Final answer
x = 43,852.44
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Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.