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Finding the Third Proportional to 27,948 and 57,378

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Solution

The third proportional to 27,948 and 57,378 is: 117,798.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,948 : 57,378 = 57,378 : x
  2. Step 2: Convert to fraction form
    27,948/57,378 = 57,378/x
  3. Step 3: Cross multiply
    27,948x = 57,378 × 57,378
  4. Step 4: Simplify right side
    27,948x = 3,292,234,884
  5. Step 5: Solve for x
    x = 3,292,234,884/27,948
  6. Step 6: Final answer
    x = 117,798.59

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.