Finding the Third Proportional to 665,919.50 and 1,438,245
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Solution
The third proportional to 665,919.50 and 1,438,245 is: 3,106,304.41
Step by Step Solution
- Step 1: Write the proportion equation
665,919.50 : 1,438,245 = 1,438,245 : x - Step 2: Convert to fraction form
665,919.50/1,438,245 = 1,438,245/x - Step 3: Cross multiply
665,919.50x = 1,438,245 × 1,438,245 - Step 4: Simplify right side
665,919.50x = 2,068,548,680,025 - Step 5: Solve for x
x = 2,068,548,680,025/665,919.50 - Step 6: Final answer
x = 3,106,304.41
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.