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Finding the Third Proportional to 12,238 and 16,512

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Solution

The third proportional to 12,238 and 16,512 is: 22,278.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238 : 16,512 = 16,512 : x
  2. Step 2: Convert to fraction form
    12,238/16,512 = 16,512/x
  3. Step 3: Cross multiply
    12,238x = 16,512 × 16,512
  4. Step 4: Simplify right side
    12,238x = 272,646,144
  5. Step 5: Solve for x
    x = 272,646,144/12,238
  6. Step 6: Final answer
    x = 22,278.65

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.