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Finding the Third Proportional to 8,894 and 20,777

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Solution

The third proportional to 8,894 and 20,777 is: 48,536.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894 : 20,777 = 20,777 : x
  2. Step 2: Convert to fraction form
    8,894/20,777 = 20,777/x
  3. Step 3: Cross multiply
    8,894x = 20,777 × 20,777
  4. Step 4: Simplify right side
    8,894x = 431,683,729
  5. Step 5: Solve for x
    x = 431,683,729/8,894
  6. Step 6: Final answer
    x = 48,536.51

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.