Finding the Third Proportional to 192,421.83 and 409,754.95
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Solution
The third proportional to 192,421.83 and 409,754.95 is: 872,557.56
Step by Step Solution
- Step 1: Write the proportion equation
192,421.83 : 409,754.95 = 409,754.95 : x - Step 2: Convert to fraction form
192,421.83/409,754.95 = 409,754.95/x - Step 3: Cross multiply
192,421.83x = 409,754.95 × 409,754.95 - Step 4: Simplify right side
192,421.83x = 167,899,121,610.47 - Step 5: Solve for x
x = 167,899,121,610.47/192,421.83 - Step 6: Final answer
x = 872,557.56
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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.