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Finding the Third Proportional to 21,873,675 and 47,864,634

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Solution

The third proportional to 21,873,675 and 47,864,634 is: 104,738,832.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873,675 : 47,864,634 = 47,864,634 : x
  2. Step 2: Convert to fraction form
    21,873,675/47,864,634 = 47,864,634/x
  3. Step 3: Cross multiply
    21,873,675x = 47,864,634 × 47,864,634
  4. Step 4: Simplify right side
    21,873,675x = 2,291,023,187,953,956
  5. Step 5: Solve for x
    x = 2,291,023,187,953,956/21,873,675
  6. Step 6: Final answer
    x = 104,738,832.77

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.