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Finding the Third Proportional to 8,132.06 and 12,129.75

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Solution

The third proportional to 8,132.06 and 12,129.75 is: 18,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.06 : 12,129.75 = 12,129.75 : x
  2. Step 2: Convert to fraction form
    8,132.06/12,129.75 = 12,129.75/x
  3. Step 3: Cross multiply
    8,132.06x = 12,129.75 × 12,129.75
  4. Step 4: Simplify right side
    8,132.06x = 147,130,835.06
  5. Step 5: Solve for x
    x = 147,130,835.06/8,132.06
  6. Step 6: Final answer
    x = 18,092.68

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