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Finding the Third Proportional to 47,410 and 102,422

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Solution

The third proportional to 47,410 and 102,422 is: 221,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,410 : 102,422 = 102,422 : x
  2. Step 2: Convert to fraction form
    47,410/102,422 = 102,422/x
  3. Step 3: Cross multiply
    47,410x = 102,422 × 102,422
  4. Step 4: Simplify right side
    47,410x = 10,490,266,084
  5. Step 5: Solve for x
    x = 10,490,266,084/47,410
  6. Step 6: Final answer
    x = 221,266.95

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.