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Finding the Third Proportional to 8,982.77 and 18,896.63

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Solution

The third proportional to 8,982.77 and 18,896.63 is: 39,751.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.77 : 18,896.63 = 18,896.63 : x
  2. Step 2: Convert to fraction form
    8,982.77/18,896.63 = 18,896.63/x
  3. Step 3: Cross multiply
    8,982.77x = 18,896.63 × 18,896.63
  4. Step 4: Simplify right side
    8,982.77x = 357,082,436.39
  5. Step 5: Solve for x
    x = 357,082,436.39/8,982.77
  6. Step 6: Final answer
    x = 39,751.91

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.