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Finding the Third Proportional to 13,959.75 and 30,381.75

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Solution

The third proportional to 13,959.75 and 30,381.75 is: 66,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959.75 : 30,381.75 = 30,381.75 : x
  2. Step 2: Convert to fraction form
    13,959.75/30,381.75 = 30,381.75/x
  3. Step 3: Cross multiply
    13,959.75x = 30,381.75 × 30,381.75
  4. Step 4: Simplify right side
    13,959.75x = 923,050,733.06
  5. Step 5: Solve for x
    x = 923,050,733.06/13,959.75
  6. Step 6: Final answer
    x = 66,122.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.