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Finding the Third Proportional to 12,960 and 26,841

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Solution

The third proportional to 12,960 and 26,841 is: 55,589.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960 : 26,841 = 26,841 : x
  2. Step 2: Convert to fraction form
    12,960/26,841 = 26,841/x
  3. Step 3: Cross multiply
    12,960x = 26,841 × 26,841
  4. Step 4: Simplify right side
    12,960x = 720,439,281
  5. Step 5: Solve for x
    x = 720,439,281/12,960
  6. Step 6: Final answer
    x = 55,589.45

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.