Finding the Third Proportional to 7,728,388 and 16,949,768
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Solution
The third proportional to 7,728,388 and 16,949,768 is: 37,173,940.45
Step by Step Solution
- Step 1: Write the proportion equation
7,728,388 : 16,949,768 = 16,949,768 : x - Step 2: Convert to fraction form
7,728,388/16,949,768 = 16,949,768/x - Step 3: Cross multiply
7,728,388x = 16,949,768 × 16,949,768 - Step 4: Simplify right side
7,728,388x = 287,294,635,253,824 - Step 5: Solve for x
x = 287,294,635,253,824/7,728,388 - Step 6: Final answer
x = 37,173,940.45
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.