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Finding the Third Proportional to 16,440 and 25,296

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Solution

The third proportional to 16,440 and 25,296 is: 38,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,440 : 25,296 = 25,296 : x
  2. Step 2: Convert to fraction form
    16,440/25,296 = 25,296/x
  3. Step 3: Cross multiply
    16,440x = 25,296 × 25,296
  4. Step 4: Simplify right side
    16,440x = 639,887,616
  5. Step 5: Solve for x
    x = 639,887,616/16,440
  6. Step 6: Final answer
    x = 38,922.60

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.