Finding the Third Proportional to 18,509,524 and 39,861,176
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Solution
The third proportional to 18,509,524 and 39,861,176 is: 85,843,015.31
Step by Step Solution
- Step 1: Write the proportion equation
18,509,524 : 39,861,176 = 39,861,176 : x - Step 2: Convert to fraction form
18,509,524/39,861,176 = 39,861,176/x - Step 3: Cross multiply
18,509,524x = 39,861,176 × 39,861,176 - Step 4: Simplify right side
18,509,524x = 1,588,913,352,102,976 - Step 5: Solve for x
x = 1,588,913,352,102,976/18,509,524 - Step 6: Final answer
x = 85,843,015.31
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.