Finding the Third Proportional to 3,901,389.75 and 8,378,015.63
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Solution
The third proportional to 3,901,389.75 and 8,378,015.63 is: 17,991,318.56
Step by Step Solution
- Step 1: Write the proportion equation
3,901,389.75 : 8,378,015.63 = 8,378,015.63 : x - Step 2: Convert to fraction form
3,901,389.75/8,378,015.63 = 8,378,015.63/x - Step 3: Cross multiply
3,901,389.75x = 8,378,015.63 × 8,378,015.63 - Step 4: Simplify right side
3,901,389.75x = 70,191,145,812,744.14 - Step 5: Solve for x
x = 70,191,145,812,744.14/3,901,389.75 - Step 6: Final answer
x = 17,991,318.56
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.