Finding the Third Proportional to 830,996 and 1,819,240
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Solution
The third proportional to 830,996 and 1,819,240 is: 3,982,731.78
Step by Step Solution
- Step 1: Write the proportion equation
830,996 : 1,819,240 = 1,819,240 : x - Step 2: Convert to fraction form
830,996/1,819,240 = 1,819,240/x - Step 3: Cross multiply
830,996x = 1,819,240 × 1,819,240 - Step 4: Simplify right side
830,996x = 3,309,634,177,600 - Step 5: Solve for x
x = 3,309,634,177,600/830,996 - Step 6: Final answer
x = 3,982,731.78
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.