Finding the Third Proportional to 18,372,200 and 42,912,108
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Solution
The third proportional to 18,372,200 and 42,912,108 is: 100,230,185.44
Step by Step Solution
- Step 1: Write the proportion equation
18,372,200 : 42,912,108 = 42,912,108 : x - Step 2: Convert to fraction form
18,372,200/42,912,108 = 42,912,108/x - Step 3: Cross multiply
18,372,200x = 42,912,108 × 42,912,108 - Step 4: Simplify right side
18,372,200x = 1,841,449,013,003,664 - Step 5: Solve for x
x = 1,841,449,013,003,664/18,372,200 - Step 6: Final answer
x = 100,230,185.44
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Why These Related Problems?
These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.