Finding the Third Proportional to 8,420,340 and 18,187,632
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Solution
The third proportional to 8,420,340 and 18,187,632 is: 39,284,631.95
Step by Step Solution
- Step 1: Write the proportion equation
8,420,340 : 18,187,632 = 18,187,632 : x - Step 2: Convert to fraction form
8,420,340/18,187,632 = 18,187,632/x - Step 3: Cross multiply
8,420,340x = 18,187,632 × 18,187,632 - Step 4: Simplify right side
8,420,340x = 330,789,957,767,424 - Step 5: Solve for x
x = 330,789,957,767,424/8,420,340 - Step 6: Final answer
x = 39,284,631.95
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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.