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Finding the Third Proportional to 5,378,634 and 11,653,308

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Solution

The third proportional to 5,378,634 and 11,653,308 is: 25,247,969.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,634 : 11,653,308 = 11,653,308 : x
  2. Step 2: Convert to fraction form
    5,378,634/11,653,308 = 11,653,308/x
  3. Step 3: Cross multiply
    5,378,634x = 11,653,308 × 11,653,308
  4. Step 4: Simplify right side
    5,378,634x = 135,799,587,342,864
  5. Step 5: Solve for x
    x = 135,799,587,342,864/5,378,634
  6. Step 6: Final answer
    x = 25,247,969.53

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.