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Finding the Third Proportional to 18,894 and 26,415

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Solution

The third proportional to 18,894 and 26,415 is: 36,929.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894 : 26,415 = 26,415 : x
  2. Step 2: Convert to fraction form
    18,894/26,415 = 26,415/x
  3. Step 3: Cross multiply
    18,894x = 26,415 × 26,415
  4. Step 4: Simplify right side
    18,894x = 697,752,225
  5. Step 5: Solve for x
    x = 697,752,225/18,894
  6. Step 6: Final answer
    x = 36,929.83

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.