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Finding the Third Proportional to 250,626 and 551,100

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Solution

The third proportional to 250,626 and 551,100 is: 1,211,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,626 : 551,100 = 551,100 : x
  2. Step 2: Convert to fraction form
    250,626/551,100 = 551,100/x
  3. Step 3: Cross multiply
    250,626x = 551,100 × 551,100
  4. Step 4: Simplify right side
    250,626x = 303,711,210,000
  5. Step 5: Solve for x
    x = 303,711,210,000/250,626
  6. Step 6: Final answer
    x = 1,211,810.47

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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.