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Finding the Third Proportional to 102,128 and 224,414

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Solution

The third proportional to 102,128 and 224,414 is: 493,122.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,128 : 224,414 = 224,414 : x
  2. Step 2: Convert to fraction form
    102,128/224,414 = 224,414/x
  3. Step 3: Cross multiply
    102,128x = 224,414 × 224,414
  4. Step 4: Simplify right side
    102,128x = 50,361,643,396
  5. Step 5: Solve for x
    x = 50,361,643,396/102,128
  6. Step 6: Final answer
    x = 493,122.78

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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.