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Finding the Third Proportional to 4,171,932 and 8,792,226

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Solution

The third proportional to 4,171,932 and 8,792,226 is: 18,529,361.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171,932 : 8,792,226 = 8,792,226 : x
  2. Step 2: Convert to fraction form
    4,171,932/8,792,226 = 8,792,226/x
  3. Step 3: Cross multiply
    4,171,932x = 8,792,226 × 8,792,226
  4. Step 4: Simplify right side
    4,171,932x = 77,303,238,035,076
  5. Step 5: Solve for x
    x = 77,303,238,035,076/4,171,932
  6. Step 6: Final answer
    x = 18,529,361.94

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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.