Finding the Third Proportional to 7,257.94 and 15,189.19
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Solution
The third proportional to 7,257.94 and 15,189.19 is: 31,787.46
Step by Step Solution
- Step 1: Write the proportion equation
7,257.94 : 15,189.19 = 15,189.19 : x - Step 2: Convert to fraction form
7,257.94/15,189.19 = 15,189.19/x - Step 3: Cross multiply
7,257.94x = 15,189.19 × 15,189.19 - Step 4: Simplify right side
7,257.94x = 230,711,416.91 - Step 5: Solve for x
x = 230,711,416.91/7,257.94 - Step 6: Final answer
x = 31,787.46
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Why These Related Problems?
These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.