Finding the Third Proportional to 19,428.19 and 40,238.44
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Solution
The third proportional to 19,428.19 and 40,238.44 is: 83,339.32
Step by Step Solution
- Step 1: Write the proportion equation
19,428.19 : 40,238.44 = 40,238.44 : x - Step 2: Convert to fraction form
19,428.19/40,238.44 = 40,238.44/x - Step 3: Cross multiply
19,428.19x = 40,238.44 × 40,238.44 - Step 4: Simplify right side
19,428.19x = 1,619,131,852.44 - Step 5: Solve for x
x = 1,619,131,852.44/19,428.19 - Step 6: Final answer
x = 83,339.32
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Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.