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Finding the Third Proportional to 8,628 and 13,202

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Solution

The third proportional to 8,628 and 13,202 is: 20,200.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628 : 13,202 = 13,202 : x
  2. Step 2: Convert to fraction form
    8,628/13,202 = 13,202/x
  3. Step 3: Cross multiply
    8,628x = 13,202 × 13,202
  4. Step 4: Simplify right side
    8,628x = 174,292,804
  5. Step 5: Solve for x
    x = 174,292,804/8,628
  6. Step 6: Final answer
    x = 20,200.83

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.