Finding the Third Proportional to 21,351,843 and 44,217,738
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Solution
The third proportional to 21,351,843 and 44,217,738 is: 91,570,940.92
Step by Step Solution
- Step 1: Write the proportion equation
21,351,843 : 44,217,738 = 44,217,738 : x - Step 2: Convert to fraction form
21,351,843/44,217,738 = 44,217,738/x - Step 3: Cross multiply
21,351,843x = 44,217,738 × 44,217,738 - Step 4: Simplify right side
21,351,843x = 1,955,208,353,836,644 - Step 5: Solve for x
x = 1,955,208,353,836,644/21,351,843 - Step 6: Final answer
x = 91,570,940.92
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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.