Finding the Third Proportional to 889,728.75 and 1,378,833.75
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Solution
The third proportional to 889,728.75 and 1,378,833.75 is: 2,136,811.37
Step by Step Solution
- Step 1: Write the proportion equation
889,728.75 : 1,378,833.75 = 1,378,833.75 : x - Step 2: Convert to fraction form
889,728.75/1,378,833.75 = 1,378,833.75/x - Step 3: Cross multiply
889,728.75x = 1,378,833.75 × 1,378,833.75 - Step 4: Simplify right side
889,728.75x = 1,901,182,510,139.06 - Step 5: Solve for x
x = 1,901,182,510,139.06/889,728.75 - Step 6: Final answer
x = 2,136,811.37
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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.