Finding the Third Proportional to 5,013 and 7,800
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Solution
The third proportional to 5,013 and 7,800 is: 12,136.45
Step by Step Solution
- Step 1: Write the proportion equation
5,013 : 7,800 = 7,800 : x - Step 2: Convert to fraction form
5,013/7,800 = 7,800/x - Step 3: Cross multiply
5,013x = 7,800 × 7,800 - Step 4: Simplify right side
5,013x = 60,840,000 - Step 5: Solve for x
x = 60,840,000/5,013 - Step 6: Final answer
x = 12,136.45
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.