Finding the Third Proportional to 286,823.53 and 421,885.97
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Solution
The third proportional to 286,823.53 and 421,885.97 is: 620,548.01
Step by Step Solution
- Step 1: Write the proportion equation
286,823.53 : 421,885.97 = 421,885.97 : x - Step 2: Convert to fraction form
286,823.53/421,885.97 = 421,885.97/x - Step 3: Cross multiply
286,823.53x = 421,885.97 × 421,885.97 - Step 4: Simplify right side
286,823.53x = 177,987,770,628.13 - Step 5: Solve for x
x = 177,987,770,628.13/286,823.53 - Step 6: Final answer
x = 620,548.01
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.