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Finding the Third Proportional to 47,023 and 100,515

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Solution

The third proportional to 47,023 and 100,515 is: 214,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,023 : 100,515 = 100,515 : x
  2. Step 2: Convert to fraction form
    47,023/100,515 = 100,515/x
  3. Step 3: Cross multiply
    47,023x = 100,515 × 100,515
  4. Step 4: Simplify right side
    47,023x = 10,103,265,225
  5. Step 5: Solve for x
    x = 10,103,265,225/47,023
  6. Step 6: Final answer
    x = 214,857.95

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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.