Finding the Third Proportional to 16,692.75 and 18,879.75
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Solution
The third proportional to 16,692.75 and 18,879.75 is: 21,353.28
Step by Step Solution
- Step 1: Write the proportion equation
16,692.75 : 18,879.75 = 18,879.75 : x - Step 2: Convert to fraction form
16,692.75/18,879.75 = 18,879.75/x - Step 3: Cross multiply
16,692.75x = 18,879.75 × 18,879.75 - Step 4: Simplify right side
16,692.75x = 356,444,960.06 - Step 5: Solve for x
x = 356,444,960.06/16,692.75 - Step 6: Final answer
x = 21,353.28
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These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.