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Finding the Third Proportional to 8,020 and 11,952

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Solution

The third proportional to 8,020 and 11,952 is: 17,811.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020 : 11,952 = 11,952 : x
  2. Step 2: Convert to fraction form
    8,020/11,952 = 11,952/x
  3. Step 3: Cross multiply
    8,020x = 11,952 × 11,952
  4. Step 4: Simplify right side
    8,020x = 142,850,304
  5. Step 5: Solve for x
    x = 142,850,304/8,020
  6. Step 6: Final answer
    x = 17,811.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.