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Finding the Third Proportional to 26,128 and 39,936

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Solution

The third proportional to 26,128 and 39,936 is: 61,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,128 : 39,936 = 39,936 : x
  2. Step 2: Convert to fraction form
    26,128/39,936 = 39,936/x
  3. Step 3: Cross multiply
    26,128x = 39,936 × 39,936
  4. Step 4: Simplify right side
    26,128x = 1,594,884,096
  5. Step 5: Solve for x
    x = 1,594,884,096/26,128
  6. Step 6: Final answer
    x = 61,041.19

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.