Finding the Third Proportional to 18,220 and 37,994
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Solution
The third proportional to 18,220 and 37,994 is: 79,228.54
Step by Step Solution
- Step 1: Write the proportion equation
18,220 : 37,994 = 37,994 : x - Step 2: Convert to fraction form
18,220/37,994 = 37,994/x - Step 3: Cross multiply
18,220x = 37,994 × 37,994 - Step 4: Simplify right side
18,220x = 1,443,544,036 - Step 5: Solve for x
x = 1,443,544,036/18,220 - Step 6: Final answer
x = 79,228.54
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Why These Related Problems?
These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.