Finding the Third Proportional to 21,948 and 32,100
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Solution
The third proportional to 21,948 and 32,100 is: 46,947.79
Step by Step Solution
- Step 1: Write the proportion equation
21,948 : 32,100 = 32,100 : x - Step 2: Convert to fraction form
21,948/32,100 = 32,100/x - Step 3: Cross multiply
21,948x = 32,100 × 32,100 - Step 4: Simplify right side
21,948x = 1,030,410,000 - Step 5: Solve for x
x = 1,030,410,000/21,948 - Step 6: Final answer
x = 46,947.79
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.