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Finding the Third Proportional to 13,896 and 21,363.75

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Solution

The third proportional to 13,896 and 21,363.75 is: 32,844.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896 : 21,363.75 = 21,363.75 : x
  2. Step 2: Convert to fraction form
    13,896/21,363.75 = 21,363.75/x
  3. Step 3: Cross multiply
    13,896x = 21,363.75 × 21,363.75
  4. Step 4: Simplify right side
    13,896x = 456,409,814.06
  5. Step 5: Solve for x
    x = 456,409,814.06/13,896
  6. Step 6: Final answer
    x = 32,844.69

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.