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Finding the Third Proportional to 12,028 and 16,480

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Solution

The third proportional to 12,028 and 16,480 is: 22,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028 : 16,480 = 16,480 : x
  2. Step 2: Convert to fraction form
    12,028/16,480 = 16,480/x
  3. Step 3: Cross multiply
    12,028x = 16,480 × 16,480
  4. Step 4: Simplify right side
    12,028x = 271,590,400
  5. Step 5: Solve for x
    x = 271,590,400/12,028
  6. Step 6: Final answer
    x = 22,579.85

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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.