Finding the Third Proportional to 7,390 and 15,614
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Solution
The third proportional to 7,390 and 15,614 is: 32,990.12
Step by Step Solution
- Step 1: Write the proportion equation
7,390 : 15,614 = 15,614 : x - Step 2: Convert to fraction form
7,390/15,614 = 15,614/x - Step 3: Cross multiply
7,390x = 15,614 × 15,614 - Step 4: Simplify right side
7,390x = 243,796,996 - Step 5: Solve for x
x = 243,796,996/7,390 - Step 6: Final answer
x = 32,990.12
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Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.