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Finding the Third Proportional to 26,271 and 56,911

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Solution

The third proportional to 26,271 and 56,911 is: 123,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,271 : 56,911 = 56,911 : x
  2. Step 2: Convert to fraction form
    26,271/56,911 = 56,911/x
  3. Step 3: Cross multiply
    26,271x = 56,911 × 56,911
  4. Step 4: Simplify right side
    26,271x = 3,238,861,921
  5. Step 5: Solve for x
    x = 3,238,861,921/26,271
  6. Step 6: Final answer
    x = 123,286.59

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.