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Finding the Third Proportional to 9,606,818 and 20,919,366

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Solution

The third proportional to 9,606,818 and 20,919,366 is: 45,553,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,606,818 : 20,919,366 = 20,919,366 : x
  2. Step 2: Convert to fraction form
    9,606,818/20,919,366 = 20,919,366/x
  3. Step 3: Cross multiply
    9,606,818x = 20,919,366 × 20,919,366
  4. Step 4: Simplify right side
    9,606,818x = 437,619,873,841,956
  5. Step 5: Solve for x
    x = 437,619,873,841,956/9,606,818
  6. Step 6: Final answer
    x = 45,553,051.37

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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.