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Finding the Third Proportional to 14,222 and 22,720

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Solution

The third proportional to 14,222 and 22,720 is: 36,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222 : 22,720 = 22,720 : x
  2. Step 2: Convert to fraction form
    14,222/22,720 = 22,720/x
  3. Step 3: Cross multiply
    14,222x = 22,720 × 22,720
  4. Step 4: Simplify right side
    14,222x = 516,198,400
  5. Step 5: Solve for x
    x = 516,198,400/14,222
  6. Step 6: Final answer
    x = 36,295.77

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.