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Finding the Third Proportional to 21,132.75 and 27,793.13

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Solution

The third proportional to 21,132.75 and 27,793.13 is: 36,552.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,132.75 : 27,793.13 = 27,793.13 : x
  2. Step 2: Convert to fraction form
    21,132.75/27,793.13 = 27,793.13/x
  3. Step 3: Cross multiply
    21,132.75x = 27,793.13 × 27,793.13
  4. Step 4: Simplify right side
    21,132.75x = 772,457,797.27
  5. Step 5: Solve for x
    x = 772,457,797.27/21,132.75
  6. Step 6: Final answer
    x = 36,552.64

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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.