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Finding the Third Proportional to 13,901 and 30,219

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Solution

The third proportional to 13,901 and 30,219 is: 65,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901 : 30,219 = 30,219 : x
  2. Step 2: Convert to fraction form
    13,901/30,219 = 30,219/x
  3. Step 3: Cross multiply
    13,901x = 30,219 × 30,219
  4. Step 4: Simplify right side
    13,901x = 913,187,961
  5. Step 5: Solve for x
    x = 913,187,961/13,901
  6. Step 6: Final answer
    x = 65,692.25

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.