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Finding the Third Proportional to 20,607.75 and 27,151.88

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Solution

The third proportional to 20,607.75 and 27,151.88 is: 35,774.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,607.75 : 27,151.88 = 27,151.88 : x
  2. Step 2: Convert to fraction form
    20,607.75/27,151.88 = 27,151.88/x
  3. Step 3: Cross multiply
    20,607.75x = 27,151.88 × 27,151.88
  4. Step 4: Simplify right side
    20,607.75x = 737,224,316.02
  5. Step 5: Solve for x
    x = 737,224,316.02/20,607.75
  6. Step 6: Final answer
    x = 35,774.13

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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.