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Finding the Third Proportional to 8,320.75 and 12,652

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Solution

The third proportional to 8,320.75 and 12,652 is: 19,237.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.75 : 12,652 = 12,652 : x
  2. Step 2: Convert to fraction form
    8,320.75/12,652 = 12,652/x
  3. Step 3: Cross multiply
    8,320.75x = 12,652 × 12,652
  4. Step 4: Simplify right side
    8,320.75x = 160,073,104
  5. Step 5: Solve for x
    x = 160,073,104/8,320.75
  6. Step 6: Final answer
    x = 19,237.82

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.