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Finding the Third Proportional to 12,249 and 18,283.50

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Solution

The third proportional to 12,249 and 18,283.50 is: 27,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249 : 18,283.50 = 18,283.50 : x
  2. Step 2: Convert to fraction form
    12,249/18,283.50 = 18,283.50/x
  3. Step 3: Cross multiply
    12,249x = 18,283.50 × 18,283.50
  4. Step 4: Simplify right side
    12,249x = 334,286,372.25
  5. Step 5: Solve for x
    x = 334,286,372.25/12,249
  6. Step 6: Final answer
    x = 27,290.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.