Finding the Third Proportional to 5,618 and 8,679
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Solution
The third proportional to 5,618 and 8,679 is: 13,407.80
Step by Step Solution
- Step 1: Write the proportion equation
5,618 : 8,679 = 8,679 : x - Step 2: Convert to fraction form
5,618/8,679 = 8,679/x - Step 3: Cross multiply
5,618x = 8,679 × 8,679 - Step 4: Simplify right side
5,618x = 75,325,041 - Step 5: Solve for x
x = 75,325,041/5,618 - Step 6: Final answer
x = 13,407.80
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.