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Finding the Third Proportional to 5,415,493 and 11,893,928

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Solution

The third proportional to 5,415,493 and 11,893,928 is: 26,122,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415,493 : 11,893,928 = 11,893,928 : x
  2. Step 2: Convert to fraction form
    5,415,493/11,893,928 = 11,893,928/x
  3. Step 3: Cross multiply
    5,415,493x = 11,893,928 × 11,893,928
  4. Step 4: Simplify right side
    5,415,493x = 141,465,523,269,184
  5. Step 5: Solve for x
    x = 141,465,523,269,184/5,415,493
  6. Step 6: Final answer
    x = 26,122,372.10

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.