Finding the Third Proportional to 889,660.13 and 1,378,731.38
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Solution
The third proportional to 889,660.13 and 1,378,731.38 is: 2,136,658.88
Step by Step Solution
- Step 1: Write the proportion equation
889,660.13 : 1,378,731.38 = 1,378,731.38 : x - Step 2: Convert to fraction form
889,660.13/1,378,731.38 = 1,378,731.38/x - Step 3: Cross multiply
889,660.13x = 1,378,731.38 × 1,378,731.38 - Step 4: Simplify right side
889,660.13x = 1,900,900,204,409.39 - Step 5: Solve for x
x = 1,900,900,204,409.39/889,660.13 - Step 6: Final answer
x = 2,136,658.88
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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.