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Finding the Third Proportional to 112,768 and 168,804

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Solution

The third proportional to 112,768 and 168,804 is: 252,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,768 : 168,804 = 168,804 : x
  2. Step 2: Convert to fraction form
    112,768/168,804 = 168,804/x
  3. Step 3: Cross multiply
    112,768x = 168,804 × 168,804
  4. Step 4: Simplify right side
    112,768x = 28,494,790,416
  5. Step 5: Solve for x
    x = 28,494,790,416/112,768
  6. Step 6: Final answer
    x = 252,685.07

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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.