Finding the Third Proportional to 3,879,321.50 and 8,430,126.25
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Solution
The third proportional to 3,879,321.50 and 8,430,126.25 is: 18,319,448.02
Step by Step Solution
- Step 1: Write the proportion equation
3,879,321.50 : 8,430,126.25 = 8,430,126.25 : x - Step 2: Convert to fraction form
3,879,321.50/8,430,126.25 = 8,430,126.25/x - Step 3: Cross multiply
3,879,321.50x = 8,430,126.25 × 8,430,126.25 - Step 4: Simplify right side
3,879,321.50x = 71,067,028,590,939.06 - Step 5: Solve for x
x = 71,067,028,590,939.06/3,879,321.50 - Step 6: Final answer
x = 18,319,448.02
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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.