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Finding the Third Proportional to 5,535,478 and 11,980,745

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Solution

The third proportional to 5,535,478 and 11,980,745 is: 25,930,597.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535,478 : 11,980,745 = 11,980,745 : x
  2. Step 2: Convert to fraction form
    5,535,478/11,980,745 = 11,980,745/x
  3. Step 3: Cross multiply
    5,535,478x = 11,980,745 × 11,980,745
  4. Step 4: Simplify right side
    5,535,478x = 143,538,250,755,025
  5. Step 5: Solve for x
    x = 143,538,250,755,025/5,535,478
  6. Step 6: Final answer
    x = 25,930,597.28

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.