Finding the Third Proportional to 178,286.75 and 391,564.75
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Solution
The third proportional to 178,286.75 and 391,564.75 is: 859,979.52
Step by Step Solution
- Step 1: Write the proportion equation
178,286.75 : 391,564.75 = 391,564.75 : x - Step 2: Convert to fraction form
178,286.75/391,564.75 = 391,564.75/x - Step 3: Cross multiply
178,286.75x = 391,564.75 × 391,564.75 - Step 4: Simplify right side
178,286.75x = 153,322,953,442.56 - Step 5: Solve for x
x = 153,322,953,442.56/178,286.75 - Step 6: Final answer
x = 859,979.52
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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.