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Finding the Third Proportional to 28,119 and 43,523

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Solution

The third proportional to 28,119 and 43,523 is: 67,365.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,119 : 43,523 = 43,523 : x
  2. Step 2: Convert to fraction form
    28,119/43,523 = 43,523/x
  3. Step 3: Cross multiply
    28,119x = 43,523 × 43,523
  4. Step 4: Simplify right side
    28,119x = 1,894,251,529
  5. Step 5: Solve for x
    x = 1,894,251,529/28,119
  6. Step 6: Final answer
    x = 67,365.54

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.