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Finding the Third Proportional to 14,789 and 20,263

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Solution

The third proportional to 14,789 and 20,263 is: 27,763.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789 : 20,263 = 20,263 : x
  2. Step 2: Convert to fraction form
    14,789/20,263 = 20,263/x
  3. Step 3: Cross multiply
    14,789x = 20,263 × 20,263
  4. Step 4: Simplify right side
    14,789x = 410,589,169
  5. Step 5: Solve for x
    x = 410,589,169/14,789
  6. Step 6: Final answer
    x = 27,763.15

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.