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Finding the Third Proportional to 3,772 and 8,798

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Solution

The third proportional to 3,772 and 8,798 is: 20,520.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772 : 8,798 = 8,798 : x
  2. Step 2: Convert to fraction form
    3,772/8,798 = 8,798/x
  3. Step 3: Cross multiply
    3,772x = 8,798 × 8,798
  4. Step 4: Simplify right side
    3,772x = 77,404,804
  5. Step 5: Solve for x
    x = 77,404,804/3,772
  6. Step 6: Final answer
    x = 20,520.89

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.