Finding the Third Proportional to 178,286.25 and 391,563.75
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Solution
The third proportional to 178,286.25 and 391,563.75 is: 859,977.54
Step by Step Solution
- Step 1: Write the proportion equation
178,286.25 : 391,563.75 = 391,563.75 : x - Step 2: Convert to fraction form
178,286.25/391,563.75 = 391,563.75/x - Step 3: Cross multiply
178,286.25x = 391,563.75 × 391,563.75 - Step 4: Simplify right side
178,286.25x = 153,322,170,314.06 - Step 5: Solve for x
x = 153,322,170,314.06/178,286.25 - Step 6: Final answer
x = 859,977.54
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.