Finding the Third Proportional to 1,386 and 2,902
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Solution
The third proportional to 1,386 and 2,902 is: 6,076.19
Step by Step Solution
- Step 1: Write the proportion equation
1,386 : 2,902 = 2,902 : x - Step 2: Convert to fraction form
1,386/2,902 = 2,902/x - Step 3: Cross multiply
1,386x = 2,902 × 2,902 - Step 4: Simplify right side
1,386x = 8,421,604 - Step 5: Solve for x
x = 8,421,604/1,386 - Step 6: Final answer
x = 6,076.19
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Why These Related Problems?
These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.