Finding the Third Proportional to 280,008.75 and 430,635.75
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Solution
The third proportional to 280,008.75 and 430,635.75 is: 662,290.55
Step by Step Solution
- Step 1: Write the proportion equation
280,008.75 : 430,635.75 = 430,635.75 : x - Step 2: Convert to fraction form
280,008.75/430,635.75 = 430,635.75/x - Step 3: Cross multiply
280,008.75x = 430,635.75 × 430,635.75 - Step 4: Simplify right side
280,008.75x = 185,447,149,178.06 - Step 5: Solve for x
x = 185,447,149,178.06/280,008.75 - Step 6: Final answer
x = 662,290.55
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.