Finding the Third Proportional to 280,322.75 and 420,397.75
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Solution
The third proportional to 280,322.75 and 420,397.75 is: 630,467.09
Step by Step Solution
- Step 1: Write the proportion equation
280,322.75 : 420,397.75 = 420,397.75 : x - Step 2: Convert to fraction form
280,322.75/420,397.75 = 420,397.75/x - Step 3: Cross multiply
280,322.75x = 420,397.75 × 420,397.75 - Step 4: Simplify right side
280,322.75x = 176,734,268,205.06 - Step 5: Solve for x
x = 176,734,268,205.06/280,322.75 - Step 6: Final answer
x = 630,467.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.