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Finding the Third Proportional to 5,548,188 and 11,921,928

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Solution

The third proportional to 5,548,188 and 11,921,928 is: 25,617,799.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548,188 : 11,921,928 = 11,921,928 : x
  2. Step 2: Convert to fraction form
    5,548,188/11,921,928 = 11,921,928/x
  3. Step 3: Cross multiply
    5,548,188x = 11,921,928 × 11,921,928
  4. Step 4: Simplify right side
    5,548,188x = 142,132,367,237,184
  5. Step 5: Solve for x
    x = 142,132,367,237,184/5,548,188
  6. Step 6: Final answer
    x = 25,617,799.40

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.