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Finding the Third Proportional to 141,750 and 189,135

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Solution

The third proportional to 141,750 and 189,135 is: 252,360.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,750 : 189,135 = 189,135 : x
  2. Step 2: Convert to fraction form
    141,750/189,135 = 189,135/x
  3. Step 3: Cross multiply
    141,750x = 189,135 × 189,135
  4. Step 4: Simplify right side
    141,750x = 35,772,048,225
  5. Step 5: Solve for x
    x = 35,772,048,225/141,750
  6. Step 6: Final answer
    x = 252,360.13

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.