Finding the Third Proportional to 519 and 1,395
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Solution
The third proportional to 519 and 1,395 is: 3,749.57
Step by Step Solution
- Step 1: Write the proportion equation
519 : 1,395 = 1,395 : x - Step 2: Convert to fraction form
519/1,395 = 1,395/x - Step 3: Cross multiply
519x = 1,395 × 1,395 - Step 4: Simplify right side
519x = 1,946,025 - Step 5: Solve for x
x = 1,946,025/519 - Step 6: Final answer
x = 3,749.57
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Why These Related Problems?
These problems maintain the same ratio (2.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.