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Finding the Third Proportional to 18,816.75 and 22,056.75

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Solution

The third proportional to 18,816.75 and 22,056.75 is: 25,854.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.75 : 22,056.75 = 22,056.75 : x
  2. Step 2: Convert to fraction form
    18,816.75/22,056.75 = 22,056.75/x
  3. Step 3: Cross multiply
    18,816.75x = 22,056.75 × 22,056.75
  4. Step 4: Simplify right side
    18,816.75x = 486,500,220.56
  5. Step 5: Solve for x
    x = 486,500,220.56/18,816.75
  6. Step 6: Final answer
    x = 25,854.64

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.