Finding the Third Proportional to 7,170.19 and 15,438.94
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Solution
The third proportional to 7,170.19 and 15,438.94 is: 33,243.31
Step by Step Solution
- Step 1: Write the proportion equation
7,170.19 : 15,438.94 = 15,438.94 : x - Step 2: Convert to fraction form
7,170.19/15,438.94 = 15,438.94/x - Step 3: Cross multiply
7,170.19x = 15,438.94 × 15,438.94 - Step 4: Simplify right side
7,170.19x = 238,360,791.13 - Step 5: Solve for x
x = 238,360,791.13/7,170.19 - Step 6: Final answer
x = 33,243.31
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.