Finding the Third Proportional to 2,138.75 and 4,968.88
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Solution
The third proportional to 2,138.75 and 4,968.88 is: 11,543.99
Step by Step Solution
- Step 1: Write the proportion equation
2,138.75 : 4,968.88 = 4,968.88 : x - Step 2: Convert to fraction form
2,138.75/4,968.88 = 4,968.88/x - Step 3: Cross multiply
2,138.75x = 4,968.88 × 4,968.88 - Step 4: Simplify right side
2,138.75x = 24,689,718.77 - Step 5: Solve for x
x = 24,689,718.77/2,138.75 - Step 6: Final answer
x = 11,543.99
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Why These Related Problems?
These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.