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Finding the Third Proportional to 22,728 and 31,628

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Solution

The third proportional to 22,728 and 31,628 is: 44,013.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728 : 31,628 = 31,628 : x
  2. Step 2: Convert to fraction form
    22,728/31,628 = 31,628/x
  3. Step 3: Cross multiply
    22,728x = 31,628 × 31,628
  4. Step 4: Simplify right side
    22,728x = 1,000,330,384
  5. Step 5: Solve for x
    x = 1,000,330,384/22,728
  6. Step 6: Final answer
    x = 44,013.13

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.