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Finding the Third Proportional to 18,250 and 28,503

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Solution

The third proportional to 18,250 and 28,503 is: 44,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250 : 28,503 = 28,503 : x
  2. Step 2: Convert to fraction form
    18,250/28,503 = 28,503/x
  3. Step 3: Cross multiply
    18,250x = 28,503 × 28,503
  4. Step 4: Simplify right side
    18,250x = 812,421,009
  5. Step 5: Solve for x
    x = 812,421,009/18,250
  6. Step 6: Final answer
    x = 44,516.22

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.