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Finding the Third Proportional to 8,706 and 13,263

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Solution

The third proportional to 8,706 and 13,263 is: 20,205.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706 : 13,263 = 13,263 : x
  2. Step 2: Convert to fraction form
    8,706/13,263 = 13,263/x
  3. Step 3: Cross multiply
    8,706x = 13,263 × 13,263
  4. Step 4: Simplify right side
    8,706x = 175,907,169
  5. Step 5: Solve for x
    x = 175,907,169/8,706
  6. Step 6: Final answer
    x = 20,205.28

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.