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Finding the Third Proportional to 20,708.75 and 27,590.88

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Solution

The third proportional to 20,708.75 and 27,590.88 is: 36,760.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,708.75 : 27,590.88 = 27,590.88 : x
  2. Step 2: Convert to fraction form
    20,708.75/27,590.88 = 27,590.88/x
  3. Step 3: Cross multiply
    20,708.75x = 27,590.88 × 27,590.88
  4. Step 4: Simplify right side
    20,708.75x = 761,256,383.27
  5. Step 5: Solve for x
    x = 761,256,383.27/20,708.75
  6. Step 6: Final answer
    x = 36,760.13

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.