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Finding the Third Proportional to 17,885 and 26,139

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Solution

The third proportional to 17,885 and 26,139 is: 38,202.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,885 : 26,139 = 26,139 : x
  2. Step 2: Convert to fraction form
    17,885/26,139 = 26,139/x
  3. Step 3: Cross multiply
    17,885x = 26,139 × 26,139
  4. Step 4: Simplify right side
    17,885x = 683,247,321
  5. Step 5: Solve for x
    x = 683,247,321/17,885
  6. Step 6: Final answer
    x = 38,202.25

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.