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Finding the Third Proportional to 23,890 and 51,928

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Solution

The third proportional to 23,890 and 51,928 is: 112,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,890 : 51,928 = 51,928 : x
  2. Step 2: Convert to fraction form
    23,890/51,928 = 51,928/x
  3. Step 3: Cross multiply
    23,890x = 51,928 × 51,928
  4. Step 4: Simplify right side
    23,890x = 2,696,517,184
  5. Step 5: Solve for x
    x = 2,696,517,184/23,890
  6. Step 6: Final answer
    x = 112,872.21

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.