Finding the Third Proportional to 9,438.19 and 19,286.44
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Solution
The third proportional to 9,438.19 and 19,286.44 is: 39,410.82
Step by Step Solution
- Step 1: Write the proportion equation
9,438.19 : 19,286.44 = 19,286.44 : x - Step 2: Convert to fraction form
9,438.19/19,286.44 = 19,286.44/x - Step 3: Cross multiply
9,438.19x = 19,286.44 × 19,286.44 - Step 4: Simplify right side
9,438.19x = 371,966,671.44 - Step 5: Solve for x
x = 371,966,671.44/9,438.19 - Step 6: Final answer
x = 39,410.82
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Why These Related Problems?
These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.