Finding the Third Proportional to 4,890 and 10,692
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Solution
The third proportional to 4,890 and 10,692 is: 23,378.09
Step by Step Solution
- Step 1: Write the proportion equation
4,890 : 10,692 = 10,692 : x - Step 2: Convert to fraction form
4,890/10,692 = 10,692/x - Step 3: Cross multiply
4,890x = 10,692 × 10,692 - Step 4: Simplify right side
4,890x = 114,318,864 - Step 5: Solve for x
x = 114,318,864/4,890 - Step 6: Final answer
x = 23,378.09
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.