Finding the Third Proportional to 18,379,884 and 40,101,990
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Solution
The third proportional to 18,379,884 and 40,101,990 is: 87,496,177.99
Step by Step Solution
- Step 1: Write the proportion equation
18,379,884 : 40,101,990 = 40,101,990 : x - Step 2: Convert to fraction form
18,379,884/40,101,990 = 40,101,990/x - Step 3: Cross multiply
18,379,884x = 40,101,990 × 40,101,990 - Step 4: Simplify right side
18,379,884x = 1,608,169,601,960,100 - Step 5: Solve for x
x = 1,608,169,601,960,100/18,379,884 - Step 6: Final answer
x = 87,496,177.99
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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.