Finding the Third Proportional to 8,680,684 and 18,855,848
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Solution
The third proportional to 8,680,684 and 18,855,848 is: 40,957,947.99
Step by Step Solution
- Step 1: Write the proportion equation
8,680,684 : 18,855,848 = 18,855,848 : x - Step 2: Convert to fraction form
8,680,684/18,855,848 = 18,855,848/x - Step 3: Cross multiply
8,680,684x = 18,855,848 × 18,855,848 - Step 4: Simplify right side
8,680,684x = 355,543,003,799,104 - Step 5: Solve for x
x = 355,543,003,799,104/8,680,684 - Step 6: Final answer
x = 40,957,947.99
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.