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Finding the Third Proportional to 26,289 and 57,015

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Solution

The third proportional to 26,289 and 57,015 is: 123,652.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,289 : 57,015 = 57,015 : x
  2. Step 2: Convert to fraction form
    26,289/57,015 = 57,015/x
  3. Step 3: Cross multiply
    26,289x = 57,015 × 57,015
  4. Step 4: Simplify right side
    26,289x = 3,250,710,225
  5. Step 5: Solve for x
    x = 3,250,710,225/26,289
  6. Step 6: Final answer
    x = 123,652.87

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.