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Finding the Third Proportional to 8,798.56 and 18,972.44

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Solution

The third proportional to 8,798.56 and 18,972.44 is: 40,910.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.56 : 18,972.44 = 18,972.44 : x
  2. Step 2: Convert to fraction form
    8,798.56/18,972.44 = 18,972.44/x
  3. Step 3: Cross multiply
    8,798.56x = 18,972.44 × 18,972.44
  4. Step 4: Simplify right side
    8,798.56x = 359,953,384.69
  5. Step 5: Solve for x
    x = 359,953,384.69/8,798.56
  6. Step 6: Final answer
    x = 40,910.48

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.