Finding the Third Proportional to 11,164.13 and 15,378.94
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Solution
The third proportional to 11,164.13 and 15,378.94 is: 21,184.98
Step by Step Solution
- Step 1: Write the proportion equation
11,164.13 : 15,378.94 = 15,378.94 : x - Step 2: Convert to fraction form
11,164.13/15,378.94 = 15,378.94/x - Step 3: Cross multiply
11,164.13x = 15,378.94 × 15,378.94 - Step 4: Simplify right side
11,164.13x = 236,511,718.63 - Step 5: Solve for x
x = 236,511,718.63/11,164.13 - Step 6: Final answer
x = 21,184.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.