Finding the Third Proportional to 20,405.25 and 27,455.63
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Solution
The third proportional to 20,405.25 and 27,455.63 is: 36,942.03
Step by Step Solution
- Step 1: Write the proportion equation
20,405.25 : 27,455.63 = 27,455.63 : x - Step 2: Convert to fraction form
20,405.25/27,455.63 = 27,455.63/x - Step 3: Cross multiply
20,405.25x = 27,455.63 × 27,455.63 - Step 4: Simplify right side
20,405.25x = 753,811,344.14 - Step 5: Solve for x
x = 753,811,344.14/20,405.25 - Step 6: Final answer
x = 36,942.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.