Finding the Third Proportional to 7,139,769 and 15,415,723
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Solution
The third proportional to 7,139,769 and 15,415,723 is: 33,284,622.46
Step by Step Solution
- Step 1: Write the proportion equation
7,139,769 : 15,415,723 = 15,415,723 : x - Step 2: Convert to fraction form
7,139,769/15,415,723 = 15,415,723/x - Step 3: Cross multiply
7,139,769x = 15,415,723 × 15,415,723 - Step 4: Simplify right side
7,139,769x = 237,644,515,612,729 - Step 5: Solve for x
x = 237,644,515,612,729/7,139,769 - Step 6: Final answer
x = 33,284,622.46
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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.