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Finding the Third Proportional to 11,858,372 and 25,857,928

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Solution

The third proportional to 11,858,372 and 25,857,928 is: 56,384,842.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858,372 : 25,857,928 = 25,857,928 : x
  2. Step 2: Convert to fraction form
    11,858,372/25,857,928 = 25,857,928/x
  3. Step 3: Cross multiply
    11,858,372x = 25,857,928 × 25,857,928
  4. Step 4: Simplify right side
    11,858,372x = 668,632,440,453,184
  5. Step 5: Solve for x
    x = 668,632,440,453,184/11,858,372
  6. Step 6: Final answer
    x = 56,384,842.75

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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.