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Finding the Third Proportional to 7,671 and 12,051

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Solution

The third proportional to 7,671 and 12,051 is: 18,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671 : 12,051 = 12,051 : x
  2. Step 2: Convert to fraction form
    7,671/12,051 = 12,051/x
  3. Step 3: Cross multiply
    7,671x = 12,051 × 12,051
  4. Step 4: Simplify right side
    7,671x = 145,226,601
  5. Step 5: Solve for x
    x = 145,226,601/7,671
  6. Step 6: Final answer
    x = 18,931.90

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.