Finding the Third Proportional to 744 and 1,347
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Solution
The third proportional to 744 and 1,347 is: 2,438.72
Step by Step Solution
- Step 1: Write the proportion equation
744 : 1,347 = 1,347 : x - Step 2: Convert to fraction form
744/1,347 = 1,347/x - Step 3: Cross multiply
744x = 1,347 × 1,347 - Step 4: Simplify right side
744x = 1,814,409 - Step 5: Solve for x
x = 1,814,409/744 - Step 6: Final answer
x = 2,438.72
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Why These Related Problems?
These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.