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Finding the Third Proportional to 8,898.75 and 20,559.38

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Solution

The third proportional to 8,898.75 and 20,559.38 is: 47,499.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.75 : 20,559.38 = 20,559.38 : x
  2. Step 2: Convert to fraction form
    8,898.75/20,559.38 = 20,559.38/x
  3. Step 3: Cross multiply
    8,898.75x = 20,559.38 × 20,559.38
  4. Step 4: Simplify right side
    8,898.75x = 422,687,900.39
  5. Step 5: Solve for x
    x = 422,687,900.39/8,898.75
  6. Step 6: Final answer
    x = 47,499.69

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.