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Finding the Third Proportional to 26,858 and 40,359

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Solution

The third proportional to 26,858 and 40,359 is: 60,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,858 : 40,359 = 40,359 : x
  2. Step 2: Convert to fraction form
    26,858/40,359 = 40,359/x
  3. Step 3: Cross multiply
    26,858x = 40,359 × 40,359
  4. Step 4: Simplify right side
    26,858x = 1,628,848,881
  5. Step 5: Solve for x
    x = 1,628,848,881/26,858
  6. Step 6: Final answer
    x = 60,646.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.