Finding the Third Proportional to 8,412.75 and 11,787.75
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Solution
The third proportional to 8,412.75 and 11,787.75 is: 16,516.72
Step by Step Solution
- Step 1: Write the proportion equation
8,412.75 : 11,787.75 = 11,787.75 : x - Step 2: Convert to fraction form
8,412.75/11,787.75 = 11,787.75/x - Step 3: Cross multiply
8,412.75x = 11,787.75 × 11,787.75 - Step 4: Simplify right side
8,412.75x = 138,951,050.06 - Step 5: Solve for x
x = 138,951,050.06/8,412.75 - Step 6: Final answer
x = 16,516.72
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.