Finding the Third Proportional to 7,089.19 and 15,261.75
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Solution
The third proportional to 7,089.19 and 15,261.75 is: 32,855.81
Step by Step Solution
- Step 1: Write the proportion equation
7,089.19 : 15,261.75 = 15,261.75 : x - Step 2: Convert to fraction form
7,089.19/15,261.75 = 15,261.75/x - Step 3: Cross multiply
7,089.19x = 15,261.75 × 15,261.75 - Step 4: Simplify right side
7,089.19x = 232,921,013.06 - Step 5: Solve for x
x = 232,921,013.06/7,089.19 - Step 6: Final answer
x = 32,855.81
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.