Finding the Third Proportional to 8,424,770 and 18,191,979
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Solution
The third proportional to 8,424,770 and 18,191,979 is: 39,282,745.99
Step by Step Solution
- Step 1: Write the proportion equation
8,424,770 : 18,191,979 = 18,191,979 : x - Step 2: Convert to fraction form
8,424,770/18,191,979 = 18,191,979/x - Step 3: Cross multiply
8,424,770x = 18,191,979 × 18,191,979 - Step 4: Simplify right side
8,424,770x = 330,948,099,936,441 - Step 5: Solve for x
x = 330,948,099,936,441/8,424,770 - Step 6: Final answer
x = 39,282,745.99
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.