Finding the Third Proportional to 5,442 and 7,185
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Solution
The third proportional to 5,442 and 7,185 is: 9,486.26
Step by Step Solution
- Step 1: Write the proportion equation
5,442 : 7,185 = 7,185 : x - Step 2: Convert to fraction form
5,442/7,185 = 7,185/x - Step 3: Cross multiply
5,442x = 7,185 × 7,185 - Step 4: Simplify right side
5,442x = 51,624,225 - Step 5: Solve for x
x = 51,624,225/5,442 - Step 6: Final answer
x = 9,486.26
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Why These Related Problems?
These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.