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Finding the Third Proportional to 9,606,787 and 20,919,310

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Solution

The third proportional to 9,606,787 and 20,919,310 is: 45,552,954.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,606,787 : 20,919,310 = 20,919,310 : x
  2. Step 2: Convert to fraction form
    9,606,787/20,919,310 = 20,919,310/x
  3. Step 3: Cross multiply
    9,606,787x = 20,919,310 × 20,919,310
  4. Step 4: Simplify right side
    9,606,787x = 437,617,530,876,100
  5. Step 5: Solve for x
    x = 437,617,530,876,100/9,606,787
  6. Step 6: Final answer
    x = 45,552,954.48

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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.