Finding the Third Proportional to 18,139,626 and 39,467,775
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Solution
The third proportional to 18,139,626 and 39,467,775 is: 85,873,063.95
Step by Step Solution
- Step 1: Write the proportion equation
18,139,626 : 39,467,775 = 39,467,775 : x - Step 2: Convert to fraction form
18,139,626/39,467,775 = 39,467,775/x - Step 3: Cross multiply
18,139,626x = 39,467,775 × 39,467,775 - Step 4: Simplify right side
18,139,626x = 1,557,705,263,450,625 - Step 5: Solve for x
x = 1,557,705,263,450,625/18,139,626 - Step 6: Final answer
x = 85,873,063.95
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.