Finding the Third Proportional to 21,164.63 and 43,713
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Solution
The third proportional to 21,164.63 and 43,713 is: 90,283.97
Step by Step Solution
- Step 1: Write the proportion equation
21,164.63 : 43,713 = 43,713 : x - Step 2: Convert to fraction form
21,164.63/43,713 = 43,713/x - Step 3: Cross multiply
21,164.63x = 43,713 × 43,713 - Step 4: Simplify right side
21,164.63x = 1,910,826,369 - Step 5: Solve for x
x = 1,910,826,369/21,164.63 - Step 6: Final answer
x = 90,283.97
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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.