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Finding the Third Proportional to 119,716.25 and 178,536.38

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Solution

The third proportional to 119,716.25 and 178,536.38 is: 266,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,716.25 : 178,536.38 = 178,536.38 : x
  2. Step 2: Convert to fraction form
    119,716.25/178,536.38 = 178,536.38/x
  3. Step 3: Cross multiply
    119,716.25x = 178,536.38 × 178,536.38
  4. Step 4: Simplify right side
    119,716.25x = 31,875,237,198.14
  5. Step 5: Solve for x
    x = 31,875,237,198.14/119,716.25
  6. Step 6: Final answer
    x = 266,256.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.