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Finding the Third Proportional to 18,484 and 27,239

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Solution

The third proportional to 18,484 and 27,239 is: 40,140.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,484 : 27,239 = 27,239 : x
  2. Step 2: Convert to fraction form
    18,484/27,239 = 27,239/x
  3. Step 3: Cross multiply
    18,484x = 27,239 × 27,239
  4. Step 4: Simplify right side
    18,484x = 741,963,121
  5. Step 5: Solve for x
    x = 741,963,121/18,484
  6. Step 6: Final answer
    x = 40,140.83

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.