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Finding the Third Proportional to 8,536 and 12,838

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Solution

The third proportional to 8,536 and 12,838 is: 19,308.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536 : 12,838 = 12,838 : x
  2. Step 2: Convert to fraction form
    8,536/12,838 = 12,838/x
  3. Step 3: Cross multiply
    8,536x = 12,838 × 12,838
  4. Step 4: Simplify right side
    8,536x = 164,814,244
  5. Step 5: Solve for x
    x = 164,814,244/8,536
  6. Step 6: Final answer
    x = 19,308.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.