Finding the Third Proportional to 21,991,684 and 45,491,912
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Solution
The third proportional to 21,991,684 and 45,491,912 is: 94,104,392.25
Step by Step Solution
- Step 1: Write the proportion equation
21,991,684 : 45,491,912 = 45,491,912 : x - Step 2: Convert to fraction form
21,991,684/45,491,912 = 45,491,912/x - Step 3: Cross multiply
21,991,684x = 45,491,912 × 45,491,912 - Step 4: Simplify right side
21,991,684x = 2,069,514,057,415,744 - Step 5: Solve for x
x = 2,069,514,057,415,744/21,991,684 - Step 6: Final answer
x = 94,104,392.25
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Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.