Finding the Third Proportional to 385,540 and 835,440
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Solution
The third proportional to 385,540 and 835,440 is: 1,810,343.92
Step by Step Solution
- Step 1: Write the proportion equation
385,540 : 835,440 = 835,440 : x - Step 2: Convert to fraction form
385,540/835,440 = 835,440/x - Step 3: Cross multiply
385,540x = 835,440 × 835,440 - Step 4: Simplify right side
385,540x = 697,959,993,600 - Step 5: Solve for x
x = 697,959,993,600/385,540 - Step 6: Final answer
x = 1,810,343.92
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.