Finding the Third Proportional to 66,012 and 87,993
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Solution
The third proportional to 66,012 and 87,993 is: 117,293.34
Step by Step Solution
- Step 1: Write the proportion equation
66,012 : 87,993 = 87,993 : x - Step 2: Convert to fraction form
66,012/87,993 = 87,993/x - Step 3: Cross multiply
66,012x = 87,993 × 87,993 - Step 4: Simplify right side
66,012x = 7,742,768,049 - Step 5: Solve for x
x = 7,742,768,049/66,012 - Step 6: Final answer
x = 117,293.34
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Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.