Finding the Third Proportional to 122,337.50 and 187,163.06
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Solution
The third proportional to 122,337.50 and 187,163.06 is: 286,339.12
Step by Step Solution
- Step 1: Write the proportion equation
122,337.50 : 187,163.06 = 187,163.06 : x - Step 2: Convert to fraction form
122,337.50/187,163.06 = 187,163.06/x - Step 3: Cross multiply
122,337.50x = 187,163.06 × 187,163.06 - Step 4: Simplify right side
122,337.50x = 35,030,011,964.38 - Step 5: Solve for x
x = 35,030,011,964.38/122,337.50 - Step 6: Final answer
x = 286,339.12
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.