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Finding the Third Proportional to 5,728,652 and 12,479,848

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Solution

The third proportional to 5,728,652 and 12,479,848 is: 27,187,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728,652 : 12,479,848 = 12,479,848 : x
  2. Step 2: Convert to fraction form
    5,728,652/12,479,848 = 12,479,848/x
  3. Step 3: Cross multiply
    5,728,652x = 12,479,848 × 12,479,848
  4. Step 4: Simplify right side
    5,728,652x = 155,746,606,103,104
  5. Step 5: Solve for x
    x = 155,746,606,103,104/5,728,652
  6. Step 6: Final answer
    x = 27,187,304.47

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.