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Finding the Third Proportional to 12,644 and 26,960

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Solution

The third proportional to 12,644 and 26,960 is: 57,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644 : 26,960 = 26,960 : x
  2. Step 2: Convert to fraction form
    12,644/26,960 = 26,960/x
  3. Step 3: Cross multiply
    12,644x = 26,960 × 26,960
  4. Step 4: Simplify right side
    12,644x = 726,841,600
  5. Step 5: Solve for x
    x = 726,841,600/12,644
  6. Step 6: Final answer
    x = 57,485.10

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.