Finding the Third Proportional to 7,129,907 and 15,396,081
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Solution
The third proportional to 7,129,907 and 15,396,081 is: 33,245,778.68
Step by Step Solution
- Step 1: Write the proportion equation
7,129,907 : 15,396,081 = 15,396,081 : x - Step 2: Convert to fraction form
7,129,907/15,396,081 = 15,396,081/x - Step 3: Cross multiply
7,129,907x = 15,396,081 × 15,396,081 - Step 4: Simplify right side
7,129,907x = 237,039,310,158,561 - Step 5: Solve for x
x = 237,039,310,158,561/7,129,907 - Step 6: Final answer
x = 33,245,778.68
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.