Finding the Third Proportional to 8,639,208 and 18,905,616
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Solution
The third proportional to 8,639,208 and 18,905,616 is: 41,372,116.09
Step by Step Solution
- Step 1: Write the proportion equation
8,639,208 : 18,905,616 = 18,905,616 : x - Step 2: Convert to fraction form
8,639,208/18,905,616 = 18,905,616/x - Step 3: Cross multiply
8,639,208x = 18,905,616 × 18,905,616 - Step 4: Simplify right side
8,639,208x = 357,422,316,339,456 - Step 5: Solve for x
x = 357,422,316,339,456/8,639,208 - Step 6: Final answer
x = 41,372,116.09
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.