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Finding the Third Proportional to 3,574.13 and 7,760.25

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Solution

The third proportional to 3,574.13 and 7,760.25 is: 16,849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.13 : 7,760.25 = 7,760.25 : x
  2. Step 2: Convert to fraction form
    3,574.13/7,760.25 = 7,760.25/x
  3. Step 3: Cross multiply
    3,574.13x = 7,760.25 × 7,760.25
  4. Step 4: Simplify right side
    3,574.13x = 60,221,480.06
  5. Step 5: Solve for x
    x = 60,221,480.06/3,574.13
  6. Step 6: Final answer
    x = 16,849.29

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.