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Finding the Third Proportional to 13,992.75 and 30,709.13

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Solution

The third proportional to 13,992.75 and 30,709.13 is: 67,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.75 : 30,709.13 = 30,709.13 : x
  2. Step 2: Convert to fraction form
    13,992.75/30,709.13 = 30,709.13/x
  3. Step 3: Cross multiply
    13,992.75x = 30,709.13 × 30,709.13
  4. Step 4: Simplify right side
    13,992.75x = 943,050,358.27
  5. Step 5: Solve for x
    x = 943,050,358.27/13,992.75
  6. Step 6: Final answer
    x = 67,395.64

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.