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Finding the Third Proportional to 15,682 and 23,020

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Solution

The third proportional to 15,682 and 23,020 is: 33,791.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,682 : 23,020 = 23,020 : x
  2. Step 2: Convert to fraction form
    15,682/23,020 = 23,020/x
  3. Step 3: Cross multiply
    15,682x = 23,020 × 23,020
  4. Step 4: Simplify right side
    15,682x = 529,920,400
  5. Step 5: Solve for x
    x = 529,920,400/15,682
  6. Step 6: Final answer
    x = 33,791.63

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.