Finding the Third Proportional to 18,139,591 and 39,467,715
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Solution
The third proportional to 18,139,591 and 39,467,715 is: 85,872,968.54
Step by Step Solution
- Step 1: Write the proportion equation
18,139,591 : 39,467,715 = 39,467,715 : x - Step 2: Convert to fraction form
18,139,591/39,467,715 = 39,467,715/x - Step 3: Cross multiply
18,139,591x = 39,467,715 × 39,467,715 - Step 4: Simplify right side
18,139,591x = 1,557,700,527,321,225 - Step 5: Solve for x
x = 1,557,700,527,321,225/18,139,591 - Step 6: Final answer
x = 85,872,968.54
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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.