Finding the Third Proportional to 985,106 and 2,122,149
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Solution
The third proportional to 985,106 and 2,122,149 is: 4,571,605.88
Step by Step Solution
- Step 1: Write the proportion equation
985,106 : 2,122,149 = 2,122,149 : x - Step 2: Convert to fraction form
985,106/2,122,149 = 2,122,149/x - Step 3: Cross multiply
985,106x = 2,122,149 × 2,122,149 - Step 4: Simplify right side
985,106x = 4,503,516,378,201 - Step 5: Solve for x
x = 4,503,516,378,201/985,106 - Step 6: Final answer
x = 4,571,605.88
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.