Finding the Third Proportional to 84,780.42 and 178,286.06
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Solution
The third proportional to 84,780.42 and 178,286.06 is: 374,920.52
Step by Step Solution
- Step 1: Write the proportion equation
84,780.42 : 178,286.06 = 178,286.06 : x - Step 2: Convert to fraction form
84,780.42/178,286.06 = 178,286.06/x - Step 3: Cross multiply
84,780.42x = 178,286.06 × 178,286.06 - Step 4: Simplify right side
84,780.42x = 31,785,920,081.75 - Step 5: Solve for x
x = 31,785,920,081.75/84,780.42 - Step 6: Final answer
x = 374,920.52
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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.