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Finding the Third Proportional to 5,385,928 and 11,687,413

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Solution

The third proportional to 5,385,928 and 11,687,413 is: 25,361,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,928 : 11,687,413 = 11,687,413 : x
  2. Step 2: Convert to fraction form
    5,385,928/11,687,413 = 11,687,413/x
  3. Step 3: Cross multiply
    5,385,928x = 11,687,413 × 11,687,413
  4. Step 4: Simplify right side
    5,385,928x = 136,595,622,632,569
  5. Step 5: Solve for x
    x = 136,595,622,632,569/5,385,928
  6. Step 6: Final answer
    x = 25,361,576.06

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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.