Finding the Third Proportional to 18,391,940 and 43,354,934
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Solution
The third proportional to 18,391,940 and 43,354,934 is: 102,199,675.63
Step by Step Solution
- Step 1: Write the proportion equation
18,391,940 : 43,354,934 = 43,354,934 : x - Step 2: Convert to fraction form
18,391,940/43,354,934 = 43,354,934/x - Step 3: Cross multiply
18,391,940x = 43,354,934 × 43,354,934 - Step 4: Simplify right side
18,391,940x = 1,879,650,302,144,356 - Step 5: Solve for x
x = 1,879,650,302,144,356/18,391,940 - Step 6: Final answer
x = 102,199,675.63
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Why These Related Problems?
These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.