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Finding the Third Proportional to 18,040 and 39,050

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Solution

The third proportional to 18,040 and 39,050 is: 84,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040 : 39,050 = 39,050 : x
  2. Step 2: Convert to fraction form
    18,040/39,050 = 39,050/x
  3. Step 3: Cross multiply
    18,040x = 39,050 × 39,050
  4. Step 4: Simplify right side
    18,040x = 1,524,902,500
  5. Step 5: Solve for x
    x = 1,524,902,500/18,040
  6. Step 6: Final answer
    x = 84,528.96

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.