Finding the Third Proportional to 845 and 1,278
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Solution
The third proportional to 845 and 1,278 is: 1,932.88
Step by Step Solution
- Step 1: Write the proportion equation
845 : 1,278 = 1,278 : x - Step 2: Convert to fraction form
845/1,278 = 1,278/x - Step 3: Cross multiply
845x = 1,278 × 1,278 - Step 4: Simplify right side
845x = 1,633,284 - Step 5: Solve for x
x = 1,633,284/845 - Step 6: Final answer
x = 1,932.88
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.