Finding the Third Proportional to 10,221.19 and 19,936.13
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Solution
The third proportional to 10,221.19 and 19,936.13 is: 38,884.82
Step by Step Solution
- Step 1: Write the proportion equation
10,221.19 : 19,936.13 = 19,936.13 : x - Step 2: Convert to fraction form
10,221.19/19,936.13 = 19,936.13/x - Step 3: Cross multiply
10,221.19x = 19,936.13 × 19,936.13 - Step 4: Simplify right side
10,221.19x = 397,449,080.02 - Step 5: Solve for x
x = 397,449,080.02/10,221.19 - Step 6: Final answer
x = 38,884.82
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Why These Related Problems?
These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.