Finding the Third Proportional to 4,977.75 and 7,293.75
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Solution
The third proportional to 4,977.75 and 7,293.75 is: 10,687.32
Step by Step Solution
- Step 1: Write the proportion equation
4,977.75 : 7,293.75 = 7,293.75 : x - Step 2: Convert to fraction form
4,977.75/7,293.75 = 7,293.75/x - Step 3: Cross multiply
4,977.75x = 7,293.75 × 7,293.75 - Step 4: Simplify right side
4,977.75x = 53,198,789.06 - Step 5: Solve for x
x = 53,198,789.06/4,977.75 - Step 6: Final answer
x = 10,687.32
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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.