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Finding the Third Proportional to 21,919 and 32,539

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Solution

The third proportional to 21,919 and 32,539 is: 48,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,919 : 32,539 = 32,539 : x
  2. Step 2: Convert to fraction form
    21,919/32,539 = 32,539/x
  3. Step 3: Cross multiply
    21,919x = 32,539 × 32,539
  4. Step 4: Simplify right side
    21,919x = 1,058,786,521
  5. Step 5: Solve for x
    x = 1,058,786,521/21,919
  6. Step 6: Final answer
    x = 48,304.51

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.