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Finding the Third Proportional to 3,574.13 and 8,768.25

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Solution

The third proportional to 3,574.13 and 8,768.25 is: 21,510.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.13 : 8,768.25 = 8,768.25 : x
  2. Step 2: Convert to fraction form
    3,574.13/8,768.25 = 8,768.25/x
  3. Step 3: Cross multiply
    3,574.13x = 8,768.25 × 8,768.25
  4. Step 4: Simplify right side
    3,574.13x = 76,882,208.06
  5. Step 5: Solve for x
    x = 76,882,208.06/3,574.13
  6. Step 6: Final answer
    x = 21,510.78

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Why These Related Problems?

These problems maintain the same ratio (2.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.