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Finding the Third Proportional to 1,792 and 4,439.50

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Solution

The third proportional to 1,792 and 4,439.50 is: 10,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792 : 4,439.50 = 4,439.50 : x
  2. Step 2: Convert to fraction form
    1,792/4,439.50 = 4,439.50/x
  3. Step 3: Cross multiply
    1,792x = 4,439.50 × 4,439.50
  4. Step 4: Simplify right side
    1,792x = 19,709,160.25
  5. Step 5: Solve for x
    x = 19,709,160.25/1,792
  6. Step 6: Final answer
    x = 10,998.42

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Why These Related Problems?

These problems maintain the same ratio (2.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.