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Finding the Third Proportional to 17,865 and 26,281

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Solution

The third proportional to 17,865 and 26,281 is: 38,661.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865 : 26,281 = 26,281 : x
  2. Step 2: Convert to fraction form
    17,865/26,281 = 26,281/x
  3. Step 3: Cross multiply
    17,865x = 26,281 × 26,281
  4. Step 4: Simplify right side
    17,865x = 690,690,961
  5. Step 5: Solve for x
    x = 690,690,961/17,865
  6. Step 6: Final answer
    x = 38,661.68

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.