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Finding the Third Proportional to 18,549 and 28,282.50

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Solution

The third proportional to 18,549 and 28,282.50 is: 43,123.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549 : 28,282.50 = 28,282.50 : x
  2. Step 2: Convert to fraction form
    18,549/28,282.50 = 28,282.50/x
  3. Step 3: Cross multiply
    18,549x = 28,282.50 × 28,282.50
  4. Step 4: Simplify right side
    18,549x = 799,899,806.25
  5. Step 5: Solve for x
    x = 799,899,806.25/18,549
  6. Step 6: Final answer
    x = 43,123.61

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.