Finding the Third Proportional to 5,128,590.75 and 8,120,994.75
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Solution
The third proportional to 5,128,590.75 and 8,120,994.75 is: 12,859,391.39
Step by Step Solution
- Step 1: Write the proportion equation
5,128,590.75 : 8,120,994.75 = 8,120,994.75 : x - Step 2: Convert to fraction form
5,128,590.75/8,120,994.75 = 8,120,994.75/x - Step 3: Cross multiply
5,128,590.75x = 8,120,994.75 × 8,120,994.75 - Step 4: Simplify right side
5,128,590.75x = 65,950,555,729,527.56 - Step 5: Solve for x
x = 65,950,555,729,527.56/5,128,590.75 - Step 6: Final answer
x = 12,859,391.39
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Why These Related Problems?
These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.