Finding the Third Proportional to 2,030 and 3,900
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Solution
The third proportional to 2,030 and 3,900 is: 7,492.61
Step by Step Solution
- Step 1: Write the proportion equation
2,030 : 3,900 = 3,900 : x - Step 2: Convert to fraction form
2,030/3,900 = 3,900/x - Step 3: Cross multiply
2,030x = 3,900 × 3,900 - Step 4: Simplify right side
2,030x = 15,210,000 - Step 5: Solve for x
x = 15,210,000/2,030 - Step 6: Final answer
x = 7,492.61
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Why These Related Problems?
These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.