Finding the Third Proportional to 4,740 and 7,110
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Solution
The third proportional to 4,740 and 7,110 is: 10,665
Step by Step Solution
- Step 1: Write the proportion equation
4,740 : 7,110 = 7,110 : x - Step 2: Convert to fraction form
4,740/7,110 = 7,110/x - Step 3: Cross multiply
4,740x = 7,110 × 7,110 - Step 4: Simplify right side
4,740x = 50,552,100 - Step 5: Solve for x
x = 50,552,100/4,740 - Step 6: Final answer
x = 10,665
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.