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Finding the Third Proportional to 20,351.25 and 26,821.13

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Solution

The third proportional to 20,351.25 and 26,821.13 is: 35,347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351.25 : 26,821.13 = 26,821.13 : x
  2. Step 2: Convert to fraction form
    20,351.25/26,821.13 = 26,821.13/x
  3. Step 3: Cross multiply
    20,351.25x = 26,821.13 × 26,821.13
  4. Step 4: Simplify right side
    20,351.25x = 719,372,746.27
  5. Step 5: Solve for x
    x = 719,372,746.27/20,351.25
  6. Step 6: Final answer
    x = 35,347.84

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.