Finding the Third Proportional to 8,647,440 and 18,771,744
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Solution
The third proportional to 8,647,440 and 18,771,744 is: 40,749,444.09
Step by Step Solution
- Step 1: Write the proportion equation
8,647,440 : 18,771,744 = 18,771,744 : x - Step 2: Convert to fraction form
8,647,440/18,771,744 = 18,771,744/x - Step 3: Cross multiply
8,647,440x = 18,771,744 × 18,771,744 - Step 4: Simplify right side
8,647,440x = 352,378,372,801,536 - Step 5: Solve for x
x = 352,378,372,801,536/8,647,440 - Step 6: Final answer
x = 40,749,444.09
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.