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Finding the Third Proportional to 16,128 and 25,344

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Solution

The third proportional to 16,128 and 25,344 is: 39,826.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128 : 25,344 = 25,344 : x
  2. Step 2: Convert to fraction form
    16,128/25,344 = 25,344/x
  3. Step 3: Cross multiply
    16,128x = 25,344 × 25,344
  4. Step 4: Simplify right side
    16,128x = 642,318,336
  5. Step 5: Solve for x
    x = 642,318,336/16,128
  6. Step 6: Final answer
    x = 39,826.29

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.