Finding the Third Proportional to 5,679 and 8,813
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Solution
The third proportional to 5,679 and 8,813 is: 13,676.52
Step by Step Solution
- Step 1: Write the proportion equation
5,679 : 8,813 = 8,813 : x - Step 2: Convert to fraction form
5,679/8,813 = 8,813/x - Step 3: Cross multiply
5,679x = 8,813 × 8,813 - Step 4: Simplify right side
5,679x = 77,668,969 - Step 5: Solve for x
x = 77,668,969/5,679 - Step 6: Final answer
x = 13,676.52
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.