Finding the Third Proportional to 13,209.75 and 18,879.75
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Solution
The third proportional to 13,209.75 and 18,879.75 is: 26,983.48
Step by Step Solution
- Step 1: Write the proportion equation
13,209.75 : 18,879.75 = 18,879.75 : x - Step 2: Convert to fraction form
13,209.75/18,879.75 = 18,879.75/x - Step 3: Cross multiply
13,209.75x = 18,879.75 × 18,879.75 - Step 4: Simplify right side
13,209.75x = 356,444,960.06 - Step 5: Solve for x
x = 356,444,960.06/13,209.75 - Step 6: Final answer
x = 26,983.48
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.