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Finding the Third Proportional to 250,710 and 551,028

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Solution

The third proportional to 250,710 and 551,028 is: 1,211,087.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,710 : 551,028 = 551,028 : x
  2. Step 2: Convert to fraction form
    250,710/551,028 = 551,028/x
  3. Step 3: Cross multiply
    250,710x = 551,028 × 551,028
  4. Step 4: Simplify right side
    250,710x = 303,631,856,784
  5. Step 5: Solve for x
    x = 303,631,856,784/250,710
  6. Step 6: Final answer
    x = 1,211,087.94

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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.