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Finding the Third Proportional to 26,619 and 39,415

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Solution

The third proportional to 26,619 and 39,415 is: 58,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619 : 39,415 = 39,415 : x
  2. Step 2: Convert to fraction form
    26,619/39,415 = 39,415/x
  3. Step 3: Cross multiply
    26,619x = 39,415 × 39,415
  4. Step 4: Simplify right side
    26,619x = 1,553,542,225
  5. Step 5: Solve for x
    x = 1,553,542,225/26,619
  6. Step 6: Final answer
    x = 58,362.16

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.