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Finding the Third Proportional to 221,240 and 332,964

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Solution

The third proportional to 221,240 and 332,964 is: 501,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,240 : 332,964 = 332,964 : x
  2. Step 2: Convert to fraction form
    221,240/332,964 = 332,964/x
  3. Step 3: Cross multiply
    221,240x = 332,964 × 332,964
  4. Step 4: Simplify right side
    221,240x = 110,865,025,296
  5. Step 5: Solve for x
    x = 110,865,025,296/221,240
  6. Step 6: Final answer
    x = 501,107.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.