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Finding the Third Proportional to 26,689 and 38,655

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Solution

The third proportional to 26,689 and 38,655 is: 55,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689 : 38,655 = 38,655 : x
  2. Step 2: Convert to fraction form
    26,689/38,655 = 38,655/x
  3. Step 3: Cross multiply
    26,689x = 38,655 × 38,655
  4. Step 4: Simplify right side
    26,689x = 1,494,209,025
  5. Step 5: Solve for x
    x = 1,494,209,025/26,689
  6. Step 6: Final answer
    x = 55,985.95

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.