Finding the Third Proportional to 47,949.75 and 75,219.75
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Solution
The third proportional to 47,949.75 and 75,219.75 is: 117,998.75
Step by Step Solution
- Step 1: Write the proportion equation
47,949.75 : 75,219.75 = 75,219.75 : x - Step 2: Convert to fraction form
47,949.75/75,219.75 = 75,219.75/x - Step 3: Cross multiply
47,949.75x = 75,219.75 × 75,219.75 - Step 4: Simplify right side
47,949.75x = 5,658,010,790.06 - Step 5: Solve for x
x = 5,658,010,790.06/47,949.75 - Step 6: Final answer
x = 117,998.75
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.