Finding the Third Proportional to 7,430 and 10,388
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Solution
The third proportional to 7,430 and 10,388 is: 14,523.63
Step by Step Solution
- Step 1: Write the proportion equation
7,430 : 10,388 = 10,388 : x - Step 2: Convert to fraction form
7,430/10,388 = 10,388/x - Step 3: Cross multiply
7,430x = 10,388 × 10,388 - Step 4: Simplify right side
7,430x = 107,910,544 - Step 5: Solve for x
x = 107,910,544/7,430 - Step 6: Final answer
x = 14,523.63
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.