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Finding the Third Proportional to 15,720 and 22,734

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Solution

The third proportional to 15,720 and 22,734 is: 32,877.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,720 : 22,734 = 22,734 : x
  2. Step 2: Convert to fraction form
    15,720/22,734 = 22,734/x
  3. Step 3: Cross multiply
    15,720x = 22,734 × 22,734
  4. Step 4: Simplify right side
    15,720x = 516,834,756
  5. Step 5: Solve for x
    x = 516,834,756/15,720
  6. Step 6: Final answer
    x = 32,877.53

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.