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Finding the Third Proportional to 12,008 and 16,455

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Solution

The third proportional to 12,008 and 16,455 is: 22,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008 : 16,455 = 16,455 : x
  2. Step 2: Convert to fraction form
    12,008/16,455 = 16,455/x
  3. Step 3: Cross multiply
    12,008x = 16,455 × 16,455
  4. Step 4: Simplify right side
    12,008x = 270,767,025
  5. Step 5: Solve for x
    x = 270,767,025/12,008
  6. Step 6: Final answer
    x = 22,548.89

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.