Finding the Third Proportional to 4,750 and 6,979
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Solution
The third proportional to 4,750 and 6,979 is: 10,253.99
Step by Step Solution
- Step 1: Write the proportion equation
4,750 : 6,979 = 6,979 : x - Step 2: Convert to fraction form
4,750/6,979 = 6,979/x - Step 3: Cross multiply
4,750x = 6,979 × 6,979 - Step 4: Simplify right side
4,750x = 48,706,441 - Step 5: Solve for x
x = 48,706,441/4,750 - Step 6: Final answer
x = 10,253.99
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.