Finding the Third Proportional to 111,121,212 and 239,309,744
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Solution
The third proportional to 111,121,212 and 239,309,744 is: 515,375,530.40
Step by Step Solution
- Step 1: Write the proportion equation
111,121,212 : 239,309,744 = 239,309,744 : x - Step 2: Convert to fraction form
111,121,212/239,309,744 = 239,309,744/x - Step 3: Cross multiply
111,121,212x = 239,309,744 × 239,309,744 - Step 4: Simplify right side
111,121,212x = 57,269,153,573,345,536 - Step 5: Solve for x
x = 57,269,153,573,345,536/111,121,212 - Step 6: Final answer
x = 515,375,530.40
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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.