Finding the Third Proportional to 138,282.19 and 189,246.38
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Solution
The third proportional to 138,282.19 and 189,246.38 is: 258,993.52
Step by Step Solution
- Step 1: Write the proportion equation
138,282.19 : 189,246.38 = 189,246.38 : x - Step 2: Convert to fraction form
138,282.19/189,246.38 = 189,246.38/x - Step 3: Cross multiply
138,282.19x = 189,246.38 × 189,246.38 - Step 4: Simplify right side
138,282.19x = 35,814,190,450.64 - Step 5: Solve for x
x = 35,814,190,450.64/138,282.19 - Step 6: Final answer
x = 258,993.52
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.