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Finding the Third Proportional to 20,779 and 33,032

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Solution

The third proportional to 20,779 and 33,032 is: 52,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,779 : 33,032 = 33,032 : x
  2. Step 2: Convert to fraction form
    20,779/33,032 = 33,032/x
  3. Step 3: Cross multiply
    20,779x = 33,032 × 33,032
  4. Step 4: Simplify right side
    20,779x = 1,091,113,024
  5. Step 5: Solve for x
    x = 1,091,113,024/20,779
  6. Step 6: Final answer
    x = 52,510.37

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.