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Finding the Third Proportional to 18,447.75 and 30,277.13

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Solution

The third proportional to 18,447.75 and 30,277.13 is: 49,691.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.75 : 30,277.13 = 30,277.13 : x
  2. Step 2: Convert to fraction form
    18,447.75/30,277.13 = 30,277.13/x
  3. Step 3: Cross multiply
    18,447.75x = 30,277.13 × 30,277.13
  4. Step 4: Simplify right side
    18,447.75x = 916,704,298.27
  5. Step 5: Solve for x
    x = 916,704,298.27/18,447.75
  6. Step 6: Final answer
    x = 49,691.93

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.