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Finding the Third Proportional to 25,767 and 28,251

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Solution

The third proportional to 25,767 and 28,251 is: 30,974.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,767 : 28,251 = 28,251 : x
  2. Step 2: Convert to fraction form
    25,767/28,251 = 28,251/x
  3. Step 3: Cross multiply
    25,767x = 28,251 × 28,251
  4. Step 4: Simplify right side
    25,767x = 798,119,001
  5. Step 5: Solve for x
    x = 798,119,001/25,767
  6. Step 6: Final answer
    x = 30,974.46

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.