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Finding the Third Proportional to 14,229 and 21,777

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Solution

The third proportional to 14,229 and 21,777 is: 33,328.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229 : 21,777 = 21,777 : x
  2. Step 2: Convert to fraction form
    14,229/21,777 = 21,777/x
  3. Step 3: Cross multiply
    14,229x = 21,777 × 21,777
  4. Step 4: Simplify right side
    14,229x = 474,237,729
  5. Step 5: Solve for x
    x = 474,237,729/14,229
  6. Step 6: Final answer
    x = 33,328.96

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.