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Finding the Third Proportional to 14,122.13 and 18,739.69

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Solution

The third proportional to 14,122.13 and 18,739.69 is: 24,867.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.13 : 18,739.69 = 18,739.69 : x
  2. Step 2: Convert to fraction form
    14,122.13/18,739.69 = 18,739.69/x
  3. Step 3: Cross multiply
    14,122.13x = 18,739.69 × 18,739.69
  4. Step 4: Simplify right side
    14,122.13x = 351,175,887.60
  5. Step 5: Solve for x
    x = 351,175,887.60/14,122.13
  6. Step 6: Final answer
    x = 24,867.07

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.