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Finding the Third Proportional to 13,855.50 and 22,027.50

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Solution

The third proportional to 13,855.50 and 22,027.50 is: 35,019.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855.50 : 22,027.50 = 22,027.50 : x
  2. Step 2: Convert to fraction form
    13,855.50/22,027.50 = 22,027.50/x
  3. Step 3: Cross multiply
    13,855.50x = 22,027.50 × 22,027.50
  4. Step 4: Simplify right side
    13,855.50x = 485,210,756.25
  5. Step 5: Solve for x
    x = 485,210,756.25/13,855.50
  6. Step 6: Final answer
    x = 35,019.36

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.