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Finding the Third Proportional to 20,472.75 and 27,860.63

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Solution

The third proportional to 20,472.75 and 27,860.63 is: 37,914.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,472.75 : 27,860.63 = 27,860.63 : x
  2. Step 2: Convert to fraction form
    20,472.75/27,860.63 = 27,860.63/x
  3. Step 3: Cross multiply
    20,472.75x = 27,860.63 × 27,860.63
  4. Step 4: Simplify right side
    20,472.75x = 776,214,425.39
  5. Step 5: Solve for x
    x = 776,214,425.39/20,472.75
  6. Step 6: Final answer
    x = 37,914.52

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.