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Finding the Third Proportional to 47,138,520 and 101,481,258

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Solution

The third proportional to 47,138,520 and 101,481,258 is: 218,471,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,138,520 : 101,481,258 = 101,481,258 : x
  2. Step 2: Convert to fraction form
    47,138,520/101,481,258 = 101,481,258/x
  3. Step 3: Cross multiply
    47,138,520x = 101,481,258 × 101,481,258
  4. Step 4: Simplify right side
    47,138,520x = 10,298,445,725,262,564
  5. Step 5: Solve for x
    x = 10,298,445,725,262,564/47,138,520
  6. Step 6: Final answer
    x = 218,471,978.44

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.