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Finding the Third Proportional to 16,838 and 26,415

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Solution

The third proportional to 16,838 and 26,415 is: 41,439.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,838 : 26,415 = 26,415 : x
  2. Step 2: Convert to fraction form
    16,838/26,415 = 26,415/x
  3. Step 3: Cross multiply
    16,838x = 26,415 × 26,415
  4. Step 4: Simplify right side
    16,838x = 697,752,225
  5. Step 5: Solve for x
    x = 697,752,225/16,838
  6. Step 6: Final answer
    x = 41,439.14

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.