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Finding the Third Proportional to 217,906.50 and 474,409.50

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Solution

The third proportional to 217,906.50 and 474,409.50 is: 1,032,848.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,906.50 : 474,409.50 = 474,409.50 : x
  2. Step 2: Convert to fraction form
    217,906.50/474,409.50 = 474,409.50/x
  3. Step 3: Cross multiply
    217,906.50x = 474,409.50 × 474,409.50
  4. Step 4: Simplify right side
    217,906.50x = 225,064,373,690.25
  5. Step 5: Solve for x
    x = 225,064,373,690.25/217,906.50
  6. Step 6: Final answer
    x = 1,032,848.37

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.