Finding the Third Proportional to 6,420,722 and 13,372,888
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Solution
The third proportional to 6,420,722 and 13,372,888 is: 27,852,651.69
Step by Step Solution
- Step 1: Write the proportion equation
6,420,722 : 13,372,888 = 13,372,888 : x - Step 2: Convert to fraction form
6,420,722/13,372,888 = 13,372,888/x - Step 3: Cross multiply
6,420,722x = 13,372,888 × 13,372,888 - Step 4: Simplify right side
6,420,722x = 178,834,133,460,544 - Step 5: Solve for x
x = 178,834,133,460,544/6,420,722 - Step 6: Final answer
x = 27,852,651.69
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.