Finding the Third Proportional to 7,840.13 and 16,728.19
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Solution
The third proportional to 7,840.13 and 16,728.19 is: 35,692.32
Step by Step Solution
- Step 1: Write the proportion equation
7,840.13 : 16,728.19 = 16,728.19 : x - Step 2: Convert to fraction form
7,840.13/16,728.19 = 16,728.19/x - Step 3: Cross multiply
7,840.13x = 16,728.19 × 16,728.19 - Step 4: Simplify right side
7,840.13x = 279,832,257.04 - Step 5: Solve for x
x = 279,832,257.04/7,840.13 - Step 6: Final answer
x = 35,692.32
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.