Finding the Third Proportional to 7,212.80 and 10,840.08
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Solution
The third proportional to 7,212.80 and 10,840.08 is: 16,291.50
Step by Step Solution
- Step 1: Write the proportion equation
7,212.80 : 10,840.08 = 10,840.08 : x - Step 2: Convert to fraction form
7,212.80/10,840.08 = 10,840.08/x - Step 3: Cross multiply
7,212.80x = 10,840.08 × 10,840.08 - Step 4: Simplify right side
7,212.80x = 117,507,293.76 - Step 5: Solve for x
x = 117,507,293.76/7,212.80 - Step 6: Final answer
x = 16,291.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.