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Finding the Third Proportional to 26,692 and 42,997

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Solution

The third proportional to 26,692 and 42,997 is: 69,262.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,692 : 42,997 = 42,997 : x
  2. Step 2: Convert to fraction form
    26,692/42,997 = 42,997/x
  3. Step 3: Cross multiply
    26,692x = 42,997 × 42,997
  4. Step 4: Simplify right side
    26,692x = 1,848,742,009
  5. Step 5: Solve for x
    x = 1,848,742,009/26,692
  6. Step 6: Final answer
    x = 69,262.03

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.