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Finding the Third Proportional to 11,521 and 24,859

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Solution

The third proportional to 11,521 and 24,859 is: 53,638.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521 : 24,859 = 24,859 : x
  2. Step 2: Convert to fraction form
    11,521/24,859 = 24,859/x
  3. Step 3: Cross multiply
    11,521x = 24,859 × 24,859
  4. Step 4: Simplify right side
    11,521x = 617,969,881
  5. Step 5: Solve for x
    x = 617,969,881/11,521
  6. Step 6: Final answer
    x = 53,638.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.