Finding the Third Proportional to 11,517.75 and 13,137.75
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Solution
The third proportional to 11,517.75 and 13,137.75 is: 14,985.61
Step by Step Solution
- Step 1: Write the proportion equation
11,517.75 : 13,137.75 = 13,137.75 : x - Step 2: Convert to fraction form
11,517.75/13,137.75 = 13,137.75/x - Step 3: Cross multiply
11,517.75x = 13,137.75 × 13,137.75 - Step 4: Simplify right side
11,517.75x = 172,600,475.06 - Step 5: Solve for x
x = 172,600,475.06/11,517.75 - Step 6: Final answer
x = 14,985.61
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Why These Related Problems?
These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.