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Finding the Third Proportional to 20,353.50 and 34,983

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Solution

The third proportional to 20,353.50 and 34,983 is: 60,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,353.50 : 34,983 = 34,983 : x
  2. Step 2: Convert to fraction form
    20,353.50/34,983 = 34,983/x
  3. Step 3: Cross multiply
    20,353.50x = 34,983 × 34,983
  4. Step 4: Simplify right side
    20,353.50x = 1,223,810,289
  5. Step 5: Solve for x
    x = 1,223,810,289/20,353.50
  6. Step 6: Final answer
    x = 60,127.76

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Why These Related Problems?

These problems maintain the same ratio (1.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.