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Finding the Third Proportional to 26,776 and 57,920

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Solution

The third proportional to 26,776 and 57,920 is: 125,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,776 : 57,920 = 57,920 : x
  2. Step 2: Convert to fraction form
    26,776/57,920 = 57,920/x
  3. Step 3: Cross multiply
    26,776x = 57,920 × 57,920
  4. Step 4: Simplify right side
    26,776x = 3,354,726,400
  5. Step 5: Solve for x
    x = 3,354,726,400/26,776
  6. Step 6: Final answer
    x = 125,288.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.