Finding the Third Proportional to 75,340.13 and 113,982.19
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Solution
The third proportional to 75,340.13 and 113,982.19 is: 172,443.82
Step by Step Solution
- Step 1: Write the proportion equation
75,340.13 : 113,982.19 = 113,982.19 : x - Step 2: Convert to fraction form
75,340.13/113,982.19 = 113,982.19/x - Step 3: Cross multiply
75,340.13x = 113,982.19 × 113,982.19 - Step 4: Simplify right side
75,340.13x = 12,991,939,067.29 - Step 5: Solve for x
x = 12,991,939,067.29/75,340.13 - Step 6: Final answer
x = 172,443.82
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.