Finding the Third Proportional to 7,116.19 and 11,433.66
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Solution
The third proportional to 7,116.19 and 11,433.66 is: 18,370.58
Step by Step Solution
- Step 1: Write the proportion equation
7,116.19 : 11,433.66 = 11,433.66 : x - Step 2: Convert to fraction form
7,116.19/11,433.66 = 11,433.66/x - Step 3: Cross multiply
7,116.19x = 11,433.66 × 11,433.66 - Step 4: Simplify right side
7,116.19x = 130,728,495.24 - Step 5: Solve for x
x = 130,728,495.24/7,116.19 - Step 6: Final answer
x = 18,370.58
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Why These Related Problems?
These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.