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Finding the Third Proportional to 13,144 and 19,664

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Solution

The third proportional to 13,144 and 19,664 is: 29,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144 : 19,664 = 19,664 : x
  2. Step 2: Convert to fraction form
    13,144/19,664 = 19,664/x
  3. Step 3: Cross multiply
    13,144x = 19,664 × 19,664
  4. Step 4: Simplify right side
    13,144x = 386,672,896
  5. Step 5: Solve for x
    x = 386,672,896/13,144
  6. Step 6: Final answer
    x = 29,418.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.