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Finding the Third Proportional to 8,893.13 and 18,972.56

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Solution

The third proportional to 8,893.13 and 18,972.56 is: 40,476.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.13 : 18,972.56 = 18,972.56 : x
  2. Step 2: Convert to fraction form
    8,893.13/18,972.56 = 18,972.56/x
  3. Step 3: Cross multiply
    8,893.13x = 18,972.56 × 18,972.56
  4. Step 4: Simplify right side
    8,893.13x = 359,958,127.82
  5. Step 5: Solve for x
    x = 359,958,127.82/8,893.13
  6. Step 6: Final answer
    x = 40,476.00

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.