Finding the Third Proportional to 2,430 and 5,238
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Solution
The third proportional to 2,430 and 5,238 is: 11,290.80
Step by Step Solution
- Step 1: Write the proportion equation
2,430 : 5,238 = 5,238 : x - Step 2: Convert to fraction form
2,430/5,238 = 5,238/x - Step 3: Cross multiply
2,430x = 5,238 × 5,238 - Step 4: Simplify right side
2,430x = 27,436,644 - Step 5: Solve for x
x = 27,436,644/2,430 - Step 6: Final answer
x = 11,290.80
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.