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Finding the Third Proportional to 12,248 and 18,402

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Solution

The third proportional to 12,248 and 18,402 is: 27,648.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248 : 18,402 = 18,402 : x
  2. Step 2: Convert to fraction form
    12,248/18,402 = 18,402/x
  3. Step 3: Cross multiply
    12,248x = 18,402 × 18,402
  4. Step 4: Simplify right side
    12,248x = 338,633,604
  5. Step 5: Solve for x
    x = 338,633,604/12,248
  6. Step 6: Final answer
    x = 27,648.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.