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Finding the Third Proportional to 5,438 and 11,841

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Solution

The third proportional to 5,438 and 11,841 is: 25,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438 : 11,841 = 11,841 : x
  2. Step 2: Convert to fraction form
    5,438/11,841 = 11,841/x
  3. Step 3: Cross multiply
    5,438x = 11,841 × 11,841
  4. Step 4: Simplify right side
    5,438x = 140,209,281
  5. Step 5: Solve for x
    x = 140,209,281/5,438
  6. Step 6: Final answer
    x = 25,783.24

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.