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Finding the Third Proportional to 6,136,968 and 12,920,928

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Solution

The third proportional to 6,136,968 and 12,920,928 is: 27,204,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,136,968 : 12,920,928 = 12,920,928 : x
  2. Step 2: Convert to fraction form
    6,136,968/12,920,928 = 12,920,928/x
  3. Step 3: Cross multiply
    6,136,968x = 12,920,928 × 12,920,928
  4. Step 4: Simplify right side
    6,136,968x = 166,950,380,381,184
  5. Step 5: Solve for x
    x = 166,950,380,381,184/6,136,968
  6. Step 6: Final answer
    x = 27,204,049.36

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.