Finding the Third Proportional to 1,438 and 2,698
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Solution
The third proportional to 1,438 and 2,698 is: 5,062.03
Step by Step Solution
- Step 1: Write the proportion equation
1,438 : 2,698 = 2,698 : x - Step 2: Convert to fraction form
1,438/2,698 = 2,698/x - Step 3: Cross multiply
1,438x = 2,698 × 2,698 - Step 4: Simplify right side
1,438x = 7,279,204 - Step 5: Solve for x
x = 7,279,204/1,438 - Step 6: Final answer
x = 5,062.03
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These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.