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Finding the Third Proportional to 2,180 and 4,792

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Solution

The third proportional to 2,180 and 4,792 is: 10,533.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180 : 4,792 = 4,792 : x
  2. Step 2: Convert to fraction form
    2,180/4,792 = 4,792/x
  3. Step 3: Cross multiply
    2,180x = 4,792 × 4,792
  4. Step 4: Simplify right side
    2,180x = 22,963,264
  5. Step 5: Solve for x
    x = 22,963,264/2,180
  6. Step 6: Final answer
    x = 10,533.61

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.