Finding the Third Proportional to 75,120 and 109,152
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Solution
The third proportional to 75,120 and 109,152 is: 158,601.69
Step by Step Solution
- Step 1: Write the proportion equation
75,120 : 109,152 = 109,152 : x - Step 2: Convert to fraction form
75,120/109,152 = 109,152/x - Step 3: Cross multiply
75,120x = 109,152 × 109,152 - Step 4: Simplify right side
75,120x = 11,914,159,104 - Step 5: Solve for x
x = 11,914,159,104/75,120 - Step 6: Final answer
x = 158,601.69
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These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.