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Finding the Third Proportional to 119,722 and 178,544

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Solution

The third proportional to 119,722 and 178,544 is: 266,266.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,722 : 178,544 = 178,544 : x
  2. Step 2: Convert to fraction form
    119,722/178,544 = 178,544/x
  3. Step 3: Cross multiply
    119,722x = 178,544 × 178,544
  4. Step 4: Simplify right side
    119,722x = 31,877,959,936
  5. Step 5: Solve for x
    x = 31,877,959,936/119,722
  6. Step 6: Final answer
    x = 266,266.52

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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.