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Finding the Third Proportional to 14,305.50 and 20,994.75

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Solution

The third proportional to 14,305.50 and 20,994.75 is: 30,811.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.50 : 20,994.75 = 20,994.75 : x
  2. Step 2: Convert to fraction form
    14,305.50/20,994.75 = 20,994.75/x
  3. Step 3: Cross multiply
    14,305.50x = 20,994.75 × 20,994.75
  4. Step 4: Simplify right side
    14,305.50x = 440,779,527.56
  5. Step 5: Solve for x
    x = 440,779,527.56/14,305.50
  6. Step 6: Final answer
    x = 30,811.89

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.