Finding the Third Proportional to 74,324.25 and 111,489.75
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Solution
The third proportional to 74,324.25 and 111,489.75 is: 167,239.69
Step by Step Solution
- Step 1: Write the proportion equation
74,324.25 : 111,489.75 = 111,489.75 : x - Step 2: Convert to fraction form
74,324.25/111,489.75 = 111,489.75/x - Step 3: Cross multiply
74,324.25x = 111,489.75 × 111,489.75 - Step 4: Simplify right side
74,324.25x = 12,429,964,355.06 - Step 5: Solve for x
x = 12,429,964,355.06/74,324.25 - Step 6: Final answer
x = 167,239.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.