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Finding the Third Proportional to 1,864.27 and 4,396.78

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Solution

The third proportional to 1,864.27 and 4,396.78 is: 10,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.27 : 4,396.78 = 4,396.78 : x
  2. Step 2: Convert to fraction form
    1,864.27/4,396.78 = 4,396.78/x
  3. Step 3: Cross multiply
    1,864.27x = 4,396.78 × 4,396.78
  4. Step 4: Simplify right side
    1,864.27x = 19,331,685.36
  5. Step 5: Solve for x
    x = 19,331,685.36/1,864.27
  6. Step 6: Final answer
    x = 10,369.60

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.