Finding the Third Proportional to 4,256,517.09 and 9,221,622.19
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Solution
The third proportional to 4,256,517.09 and 9,221,622.19 is: 19,978,379.95
Step by Step Solution
- Step 1: Write the proportion equation
4,256,517.09 : 9,221,622.19 = 9,221,622.19 : x - Step 2: Convert to fraction form
4,256,517.09/9,221,622.19 = 9,221,622.19/x - Step 3: Cross multiply
4,256,517.09x = 9,221,622.19 × 9,221,622.19 - Step 4: Simplify right side
4,256,517.09x = 85,038,315,768,992.28 - Step 5: Solve for x
x = 85,038,315,768,992.28/4,256,517.09 - Step 6: Final answer
x = 19,978,379.95
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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.