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Finding the Third Proportional to 5,139,546 and 11,427,960

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Solution

The third proportional to 5,139,546 and 11,427,960 is: 25,410,468.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139,546 : 11,427,960 = 11,427,960 : x
  2. Step 2: Convert to fraction form
    5,139,546/11,427,960 = 11,427,960/x
  3. Step 3: Cross multiply
    5,139,546x = 11,427,960 × 11,427,960
  4. Step 4: Simplify right side
    5,139,546x = 130,598,269,761,600
  5. Step 5: Solve for x
    x = 130,598,269,761,600/5,139,546
  6. Step 6: Final answer
    x = 25,410,468.12

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.