Finding the Third Proportional to 11,580.75 and 15,729.75
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Solution
The third proportional to 11,580.75 and 15,729.75 is: 21,365.20
Step by Step Solution
- Step 1: Write the proportion equation
11,580.75 : 15,729.75 = 15,729.75 : x - Step 2: Convert to fraction form
11,580.75/15,729.75 = 15,729.75/x - Step 3: Cross multiply
11,580.75x = 15,729.75 × 15,729.75 - Step 4: Simplify right side
11,580.75x = 247,425,035.06 - Step 5: Solve for x
x = 247,425,035.06/11,580.75 - Step 6: Final answer
x = 21,365.20
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.