Finding the Third Proportional to 4,546.76 and 7,121.99
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Solution
The third proportional to 4,546.76 and 7,121.99 is: 11,155.80
Step by Step Solution
- Step 1: Write the proportion equation
4,546.76 : 7,121.99 = 7,121.99 : x - Step 2: Convert to fraction form
4,546.76/7,121.99 = 7,121.99/x - Step 3: Cross multiply
4,546.76x = 7,121.99 × 7,121.99 - Step 4: Simplify right side
4,546.76x = 50,722,717.08 - Step 5: Solve for x
x = 50,722,717.08/4,546.76 - Step 6: Final answer
x = 11,155.80
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.