Finding the Third Proportional to 851 and 1,863.50
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Solution
The third proportional to 851 and 1,863.50 is: 4,080.65
Step by Step Solution
- Step 1: Write the proportion equation
851 : 1,863.50 = 1,863.50 : x - Step 2: Convert to fraction form
851/1,863.50 = 1,863.50/x - Step 3: Cross multiply
851x = 1,863.50 × 1,863.50 - Step 4: Simplify right side
851x = 3,472,632.25 - Step 5: Solve for x
x = 3,472,632.25/851 - Step 6: Final answer
x = 4,080.65
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.