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Finding the Third Proportional to 47,981 and 101,498

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Solution

The third proportional to 47,981 and 101,498 is: 214,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,981 : 101,498 = 101,498 : x
  2. Step 2: Convert to fraction form
    47,981/101,498 = 101,498/x
  3. Step 3: Cross multiply
    47,981x = 101,498 × 101,498
  4. Step 4: Simplify right side
    47,981x = 10,301,844,004
  5. Step 5: Solve for x
    x = 10,301,844,004/47,981
  6. Step 6: Final answer
    x = 214,706.74

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.