Finding the Third Proportional to 889,858 and 1,905,821
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Solution
The third proportional to 889,858 and 1,905,821 is: 4,081,722.80
Step by Step Solution
- Step 1: Write the proportion equation
889,858 : 1,905,821 = 1,905,821 : x - Step 2: Convert to fraction form
889,858/1,905,821 = 1,905,821/x - Step 3: Cross multiply
889,858x = 1,905,821 × 1,905,821 - Step 4: Simplify right side
889,858x = 3,632,153,684,041 - Step 5: Solve for x
x = 3,632,153,684,041/889,858 - Step 6: Final answer
x = 4,081,722.80
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.