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Finding the Third Proportional to 21,579,844 and 47,113,800

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Solution

The third proportional to 21,579,844 and 47,113,800 is: 102,860,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,579,844 : 47,113,800 = 47,113,800 : x
  2. Step 2: Convert to fraction form
    21,579,844/47,113,800 = 47,113,800/x
  3. Step 3: Cross multiply
    21,579,844x = 47,113,800 × 47,113,800
  4. Step 4: Simplify right side
    21,579,844x = 2,219,710,150,440,000
  5. Step 5: Solve for x
    x = 2,219,710,150,440,000/21,579,844
  6. Step 6: Final answer
    x = 102,860,342.76

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.