Finding the Third Proportional to 1,858 and 4,405
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Solution
The third proportional to 1,858 and 4,405 is: 10,443.50
Step by Step Solution
- Step 1: Write the proportion equation
1,858 : 4,405 = 4,405 : x - Step 2: Convert to fraction form
1,858/4,405 = 4,405/x - Step 3: Cross multiply
1,858x = 4,405 × 4,405 - Step 4: Simplify right side
1,858x = 19,404,025 - Step 5: Solve for x
x = 19,404,025/1,858 - Step 6: Final answer
x = 10,443.50
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Why These Related Problems?
These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.