Finding the Third Proportional to 5,622 and 8,865
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Solution
The third proportional to 5,622 and 8,865 is: 13,978.70
Step by Step Solution
- Step 1: Write the proportion equation
5,622 : 8,865 = 8,865 : x - Step 2: Convert to fraction form
5,622/8,865 = 8,865/x - Step 3: Cross multiply
5,622x = 8,865 × 8,865 - Step 4: Simplify right side
5,622x = 78,588,225 - Step 5: Solve for x
x = 78,588,225/5,622 - Step 6: Final answer
x = 13,978.70
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Why These Related Problems?
These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.