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Finding the Third Proportional to 122,792 and 269,000

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Solution

The third proportional to 122,792 and 269,000 is: 589,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,792 : 269,000 = 269,000 : x
  2. Step 2: Convert to fraction form
    122,792/269,000 = 269,000/x
  3. Step 3: Cross multiply
    122,792x = 269,000 × 269,000
  4. Step 4: Simplify right side
    122,792x = 72,361,000,000
  5. Step 5: Solve for x
    x = 72,361,000,000/122,792
  6. Step 6: Final answer
    x = 589,297.35

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.