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Finding the Third Proportional to 16,991.25 and 26,244.75

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Solution

The third proportional to 16,991.25 and 26,244.75 is: 40,537.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.25 : 26,244.75 = 26,244.75 : x
  2. Step 2: Convert to fraction form
    16,991.25/26,244.75 = 26,244.75/x
  3. Step 3: Cross multiply
    16,991.25x = 26,244.75 × 26,244.75
  4. Step 4: Simplify right side
    16,991.25x = 688,786,902.56
  5. Step 5: Solve for x
    x = 688,786,902.56/16,991.25
  6. Step 6: Final answer
    x = 40,537.74

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.