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Finding the Third Proportional to 17,266 and 25,890

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Solution

The third proportional to 17,266 and 25,890 is: 38,821.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,266 : 25,890 = 25,890 : x
  2. Step 2: Convert to fraction form
    17,266/25,890 = 25,890/x
  3. Step 3: Cross multiply
    17,266x = 25,890 × 25,890
  4. Step 4: Simplify right side
    17,266x = 670,292,100
  5. Step 5: Solve for x
    x = 670,292,100/17,266
  6. Step 6: Final answer
    x = 38,821.50

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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.