Finding the Third Proportional to 845 and 1,336.50
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Solution
The third proportional to 845 and 1,336.50 is: 2,113.88
Step by Step Solution
- Step 1: Write the proportion equation
845 : 1,336.50 = 1,336.50 : x - Step 2: Convert to fraction form
845/1,336.50 = 1,336.50/x - Step 3: Cross multiply
845x = 1,336.50 × 1,336.50 - Step 4: Simplify right side
845x = 1,786,232.25 - Step 5: Solve for x
x = 1,786,232.25/845 - Step 6: Final answer
x = 2,113.88
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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.