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Finding the Third Proportional to 12,961 and 19,168

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Solution

The third proportional to 12,961 and 19,168 is: 28,347.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961 : 19,168 = 19,168 : x
  2. Step 2: Convert to fraction form
    12,961/19,168 = 19,168/x
  3. Step 3: Cross multiply
    12,961x = 19,168 × 19,168
  4. Step 4: Simplify right side
    12,961x = 367,412,224
  5. Step 5: Solve for x
    x = 367,412,224/12,961
  6. Step 6: Final answer
    x = 28,347.52

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.