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Finding the Third Proportional to 20,175.75 and 26,640

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Solution

The third proportional to 20,175.75 and 26,640 is: 35,175.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.75 : 26,640 = 26,640 : x
  2. Step 2: Convert to fraction form
    20,175.75/26,640 = 26,640/x
  3. Step 3: Cross multiply
    20,175.75x = 26,640 × 26,640
  4. Step 4: Simplify right side
    20,175.75x = 709,689,600
  5. Step 5: Solve for x
    x = 709,689,600/20,175.75
  6. Step 6: Final answer
    x = 35,175.38

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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.