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Finding the Third Proportional to 8,508 and 13,074

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Solution

The third proportional to 8,508 and 13,074 is: 20,090.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508 : 13,074 = 13,074 : x
  2. Step 2: Convert to fraction form
    8,508/13,074 = 13,074/x
  3. Step 3: Cross multiply
    8,508x = 13,074 × 13,074
  4. Step 4: Simplify right side
    8,508x = 170,929,476
  5. Step 5: Solve for x
    x = 170,929,476/8,508
  6. Step 6: Final answer
    x = 20,090.44

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.