Finding the Third Proportional to 889,722.75 and 1,378,824.75
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Solution
The third proportional to 889,722.75 and 1,378,824.75 is: 2,136,797.89
Step by Step Solution
- Step 1: Write the proportion equation
889,722.75 : 1,378,824.75 = 1,378,824.75 : x - Step 2: Convert to fraction form
889,722.75/1,378,824.75 = 1,378,824.75/x - Step 3: Cross multiply
889,722.75x = 1,378,824.75 × 1,378,824.75 - Step 4: Simplify right side
889,722.75x = 1,901,157,691,212.56 - Step 5: Solve for x
x = 1,901,157,691,212.56/889,722.75 - Step 6: Final answer
x = 2,136,797.89
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.