Finding the Third Proportional to 67,072.13 and 138,396.75
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Solution
The third proportional to 67,072.13 and 138,396.75 is: 285,568.12
Step by Step Solution
- Step 1: Write the proportion equation
67,072.13 : 138,396.75 = 138,396.75 : x - Step 2: Convert to fraction form
67,072.13/138,396.75 = 138,396.75/x - Step 3: Cross multiply
67,072.13x = 138,396.75 × 138,396.75 - Step 4: Simplify right side
67,072.13x = 19,153,660,410.56 - Step 5: Solve for x
x = 19,153,660,410.56/67,072.13 - Step 6: Final answer
x = 285,568.12
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Why These Related Problems?
These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.