Finding the Third Proportional to 69,009 and 103,860
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Solution
The third proportional to 69,009 and 103,860 is: 156,311.49
Step by Step Solution
- Step 1: Write the proportion equation
69,009 : 103,860 = 103,860 : x - Step 2: Convert to fraction form
69,009/103,860 = 103,860/x - Step 3: Cross multiply
69,009x = 103,860 × 103,860 - Step 4: Simplify right side
69,009x = 10,786,899,600 - Step 5: Solve for x
x = 10,786,899,600/69,009 - Step 6: Final answer
x = 156,311.49
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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.