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Finding the Third Proportional to 221,322 and 474,200

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Solution

The third proportional to 221,322 and 474,200 is: 1,016,011.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,322 : 474,200 = 474,200 : x
  2. Step 2: Convert to fraction form
    221,322/474,200 = 474,200/x
  3. Step 3: Cross multiply
    221,322x = 474,200 × 474,200
  4. Step 4: Simplify right side
    221,322x = 224,865,640,000
  5. Step 5: Solve for x
    x = 224,865,640,000/221,322
  6. Step 6: Final answer
    x = 1,016,011.24

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.