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Finding the Third Proportional to 2,988.56 and 8,025.75

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Solution

The third proportional to 2,988.56 and 8,025.75 is: 21,553.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.56 : 8,025.75 = 8,025.75 : x
  2. Step 2: Convert to fraction form
    2,988.56/8,025.75 = 8,025.75/x
  3. Step 3: Cross multiply
    2,988.56x = 8,025.75 × 8,025.75
  4. Step 4: Simplify right side
    2,988.56x = 64,412,663.06
  5. Step 5: Solve for x
    x = 64,412,663.06/2,988.56
  6. Step 6: Final answer
    x = 21,553.06

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Why These Related Problems?

These problems maintain the same ratio (2.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.