Finding the Third Proportional to 7,129,909 and 15,396,085
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Solution
The third proportional to 7,129,909 and 15,396,085 is: 33,245,786.63
Step by Step Solution
- Step 1: Write the proportion equation
7,129,909 : 15,396,085 = 15,396,085 : x - Step 2: Convert to fraction form
7,129,909/15,396,085 = 15,396,085/x - Step 3: Cross multiply
7,129,909x = 15,396,085 × 15,396,085 - Step 4: Simplify right side
7,129,909x = 237,039,433,327,225 - Step 5: Solve for x
x = 237,039,433,327,225/7,129,909 - Step 6: Final answer
x = 33,245,786.63
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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.