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Finding the Third Proportional to 112,728 and 168,735

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Solution

The third proportional to 112,728 and 168,735 is: 252,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,728 : 168,735 = 168,735 : x
  2. Step 2: Convert to fraction form
    112,728/168,735 = 168,735/x
  3. Step 3: Cross multiply
    112,728x = 168,735 × 168,735
  4. Step 4: Simplify right side
    112,728x = 28,471,500,225
  5. Step 5: Solve for x
    x = 28,471,500,225/112,728
  6. Step 6: Final answer
    x = 252,568.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.