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Finding the Third Proportional to 26,817 and 58,921

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Solution

The third proportional to 26,817 and 58,921 is: 129,458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,817 : 58,921 = 58,921 : x
  2. Step 2: Convert to fraction form
    26,817/58,921 = 58,921/x
  3. Step 3: Cross multiply
    26,817x = 58,921 × 58,921
  4. Step 4: Simplify right side
    26,817x = 3,471,684,241
  5. Step 5: Solve for x
    x = 3,471,684,241/26,817
  6. Step 6: Final answer
    x = 129,458.34

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.