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Finding the Third Proportional to 14,112.75 and 21,801.75

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Solution

The third proportional to 14,112.75 and 21,801.75 is: 33,679.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.75 : 21,801.75 = 21,801.75 : x
  2. Step 2: Convert to fraction form
    14,112.75/21,801.75 = 21,801.75/x
  3. Step 3: Cross multiply
    14,112.75x = 21,801.75 × 21,801.75
  4. Step 4: Simplify right side
    14,112.75x = 475,316,303.06
  5. Step 5: Solve for x
    x = 475,316,303.06/14,112.75
  6. Step 6: Final answer
    x = 33,679.92

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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.