Finding the Third Proportional to 2,122.13 and 3,187.19
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Solution
The third proportional to 2,122.13 and 3,187.19 is: 4,786.79
Step by Step Solution
- Step 1: Write the proportion equation
2,122.13 : 3,187.19 = 3,187.19 : x - Step 2: Convert to fraction form
2,122.13/3,187.19 = 3,187.19/x - Step 3: Cross multiply
2,122.13x = 3,187.19 × 3,187.19 - Step 4: Simplify right side
2,122.13x = 10,158,164.16 - Step 5: Solve for x
x = 10,158,164.16/2,122.13 - Step 6: Final answer
x = 4,786.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.