Finding the Third Proportional to 13,749.75 and 15,531.75
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Solution
The third proportional to 13,749.75 and 15,531.75 is: 17,544.70
Step by Step Solution
- Step 1: Write the proportion equation
13,749.75 : 15,531.75 = 15,531.75 : x - Step 2: Convert to fraction form
13,749.75/15,531.75 = 15,531.75/x - Step 3: Cross multiply
13,749.75x = 15,531.75 × 15,531.75 - Step 4: Simplify right side
13,749.75x = 241,235,258.06 - Step 5: Solve for x
x = 241,235,258.06/13,749.75 - Step 6: Final answer
x = 17,544.70
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Why These Related Problems?
These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.