Finding the Third Proportional to 11,238.75 and 19,923.75
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Solution
The third proportional to 11,238.75 and 19,923.75 is: 35,320.28
Step by Step Solution
- Step 1: Write the proportion equation
11,238.75 : 19,923.75 = 19,923.75 : x - Step 2: Convert to fraction form
11,238.75/19,923.75 = 19,923.75/x - Step 3: Cross multiply
11,238.75x = 19,923.75 × 19,923.75 - Step 4: Simplify right side
11,238.75x = 396,955,814.06 - Step 5: Solve for x
x = 396,955,814.06/11,238.75 - Step 6: Final answer
x = 35,320.28
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Why These Related Problems?
These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.