Finding the Third Proportional to 10,351,728 and 21,774,330
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Solution
The third proportional to 10,351,728 and 21,774,330 is: 45,801,188.65
Step by Step Solution
- Step 1: Write the proportion equation
10,351,728 : 21,774,330 = 21,774,330 : x - Step 2: Convert to fraction form
10,351,728/21,774,330 = 21,774,330/x - Step 3: Cross multiply
10,351,728x = 21,774,330 × 21,774,330 - Step 4: Simplify right side
10,351,728x = 474,121,446,948,900 - Step 5: Solve for x
x = 474,121,446,948,900/10,351,728 - Step 6: Final answer
x = 45,801,188.65
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Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.