Finding the Third Proportional to 3,120 and 5,850
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Solution
The third proportional to 3,120 and 5,850 is: 10,968.75
Step by Step Solution
- Step 1: Write the proportion equation
3,120 : 5,850 = 5,850 : x - Step 2: Convert to fraction form
3,120/5,850 = 5,850/x - Step 3: Cross multiply
3,120x = 5,850 × 5,850 - Step 4: Simplify right side
3,120x = 34,222,500 - Step 5: Solve for x
x = 34,222,500/3,120 - Step 6: Final answer
x = 10,968.75
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Why These Related Problems?
These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.